28956015

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 128

約数和(自身を含む): 63037440

約数和(自身を除く): 34081425

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 31, 33, 37, 45, 51, 55, 85, 93, 99, 111, 135, 153, 155, 165, 185, 187, 255, 279, 297, 333, 341, 407, 459, 465, 495, 527, 555, 561, 629, 765, 837, 935, 999, 1023, 1147, 1221, 1395, 1485, 1581, 1665, 1683, 1705, 1887, 2035, 2295, 2635, 2805, 3069, 3145, 3441, 3663, 4185, 4743, 4995, 5049, 5115, 5661, 5735, 5797, 6105, 6919, 7905, 8415, 9207, 9435, 10323, 10989, 12617, 14229, 15345, 16983, 17205, 17391, 18315, 19499, 20757, 23715, 25245, 28305, 28985, 30969, 34595, 37851, 46035, 51615, 52173, 54945, 58497, 62271, 63085, 71145, 84915, 86955, 97495, 103785, 113553, 154845, 156519, 175491, 186813, 189255, 214489, 260865, 292485, 311355, 340659, 526473, 567765, 643467, 782595, 877455, 934065, 1072445, 1703295, 1930401, 2632365, 3217335, 5791203, 9652005, 28956015]

約数ペア:

[(1, 28956015), (3, 9652005), (5, 5791203), (9, 3217335), (11, 2632365), (15, 1930401), (17, 1703295), (27, 1072445), (31, 934065), (33, 877455), (37, 782595), (45, 643467), (51, 567765), (55, 526473), (85, 340659), (93, 311355), (99, 292485), (111, 260865), (135, 214489), (153, 189255), (155, 186813), (165, 175491), (185, 156519), (187, 154845), (255, 113553), (279, 103785), (297, 97495), (333, 86955), (341, 84915), (407, 71145), (459, 63085), (465, 62271), (495, 58497), (527, 54945), (555, 52173), (561, 51615), (629, 46035), (765, 37851), (837, 34595), (935, 30969), (999, 28985), (1023, 28305), (1147, 25245), (1221, 23715), (1395, 20757), (1485, 19499), (1581, 18315), (1665, 17391), (1683, 17205), (1705, 16983), (1887, 15345), (2035, 14229), (2295, 12617), (2635, 10989), (2805, 10323), (3069, 9435), (3145, 9207), (3441, 8415), (3663, 7905), (4185, 6919), (4743, 6105), (4995, 5797), (5049, 5735), (5115, 5661)]