28804545

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 68014080

約数和(自身を除く): 39209535

約数列:

[1, 3, 5, 7, 9, 11, 15, 17, 21, 27, 33, 35, 45, 51, 55, 63, 77, 85, 99, 105, 119, 135, 153, 163, 165, 187, 189, 231, 255, 297, 315, 357, 385, 459, 489, 495, 561, 595, 693, 765, 815, 935, 945, 1071, 1141, 1155, 1309, 1467, 1485, 1683, 1785, 1793, 2079, 2295, 2445, 2771, 2805, 3213, 3423, 3465, 3927, 4401, 5049, 5355, 5379, 5705, 6545, 7335, 8313, 8415, 8965, 10269, 10395, 11781, 12551, 13855, 16065, 16137, 17115, 19397, 19635, 22005, 24939, 25245, 26895, 30481, 30807, 35343, 37653, 41565, 48411, 51345, 58191, 58905, 62755, 74817, 80685, 91443, 96985, 112959, 124695, 152405, 154035, 174573, 176715, 188265, 213367, 242055, 274329, 290955, 338877, 374085, 457215, 523719, 564795, 640101, 822987, 872865, 1066835, 1371645, 1694385, 1920303, 2618595, 3200505, 4114935, 5760909, 9601515, 28804545]

約数ペア:

[(1, 28804545), (3, 9601515), (5, 5760909), (7, 4114935), (9, 3200505), (11, 2618595), (15, 1920303), (17, 1694385), (21, 1371645), (27, 1066835), (33, 872865), (35, 822987), (45, 640101), (51, 564795), (55, 523719), (63, 457215), (77, 374085), (85, 338877), (99, 290955), (105, 274329), (119, 242055), (135, 213367), (153, 188265), (163, 176715), (165, 174573), (187, 154035), (189, 152405), (231, 124695), (255, 112959), (297, 96985), (315, 91443), (357, 80685), (385, 74817), (459, 62755), (489, 58905), (495, 58191), (561, 51345), (595, 48411), (693, 41565), (765, 37653), (815, 35343), (935, 30807), (945, 30481), (1071, 26895), (1141, 25245), (1155, 24939), (1309, 22005), (1467, 19635), (1485, 19397), (1683, 17115), (1785, 16137), (1793, 16065), (2079, 13855), (2295, 12551), (2445, 11781), (2771, 10395), (2805, 10269), (3213, 8965), (3423, 8415), (3465, 8313), (3927, 7335), (4401, 6545), (5049, 5705), (5355, 5379)]