15421725

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 32378880

約数和(自身を除く): 16957155

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 31, 33, 45, 55, 67, 75, 93, 99, 135, 155, 165, 201, 225, 275, 279, 297, 335, 341, 465, 495, 603, 675, 737, 775, 825, 837, 1005, 1023, 1395, 1485, 1675, 1705, 1809, 2077, 2211, 2325, 2475, 3015, 3069, 3685, 4185, 5025, 5115, 6231, 6633, 6975, 7425, 8525, 9045, 9207, 10385, 11055, 15075, 15345, 18425, 18693, 19899, 20925, 22847, 25575, 31155, 33165, 45225, 46035, 51925, 55275, 56079, 68541, 76725, 93465, 99495, 114235, 155775, 165825, 205623, 230175, 280395, 342705, 467325, 497475, 571175, 616869, 1028115, 1401975, 1713525, 3084345, 5140575, 15421725]

約数ペア:

[(1, 15421725), (3, 5140575), (5, 3084345), (9, 1713525), (11, 1401975), (15, 1028115), (25, 616869), (27, 571175), (31, 497475), (33, 467325), (45, 342705), (55, 280395), (67, 230175), (75, 205623), (93, 165825), (99, 155775), (135, 114235), (155, 99495), (165, 93465), (201, 76725), (225, 68541), (275, 56079), (279, 55275), (297, 51925), (335, 46035), (341, 45225), (465, 33165), (495, 31155), (603, 25575), (675, 22847), (737, 20925), (775, 19899), (825, 18693), (837, 18425), (1005, 15345), (1023, 15075), (1395, 11055), (1485, 10385), (1675, 9207), (1705, 9045), (1809, 8525), (2077, 7425), (2211, 6975), (2325, 6633), (2475, 6231), (3015, 5115), (3069, 5025), (3685, 4185)]