28173915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 62539776

約数和(自身を除く): 34365861

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 47, 55, 63, 77, 99, 105, 141, 165, 173, 231, 235, 315, 329, 385, 423, 495, 517, 519, 693, 705, 865, 987, 1155, 1211, 1551, 1557, 1645, 1903, 2115, 2585, 2595, 2961, 3465, 3619, 3633, 4653, 4935, 5709, 6055, 7755, 7785, 8131, 9515, 10857, 10899, 13321, 14805, 17127, 18095, 18165, 23265, 24393, 28545, 32571, 39963, 40655, 54285, 54495, 56917, 66605, 73179, 85635, 89441, 119889, 121965, 162855, 170751, 199815, 268323, 284585, 365895, 447205, 512253, 599445, 626087, 804969, 853755, 1341615, 1878261, 2561265, 3130435, 4024845, 5634783, 9391305, 28173915]

約数ペア:

[(1, 28173915), (3, 9391305), (5, 5634783), (7, 4024845), (9, 3130435), (11, 2561265), (15, 1878261), (21, 1341615), (33, 853755), (35, 804969), (45, 626087), (47, 599445), (55, 512253), (63, 447205), (77, 365895), (99, 284585), (105, 268323), (141, 199815), (165, 170751), (173, 162855), (231, 121965), (235, 119889), (315, 89441), (329, 85635), (385, 73179), (423, 66605), (495, 56917), (517, 54495), (519, 54285), (693, 40655), (705, 39963), (865, 32571), (987, 28545), (1155, 24393), (1211, 23265), (1551, 18165), (1557, 18095), (1645, 17127), (1903, 14805), (2115, 13321), (2585, 10899), (2595, 10857), (2961, 9515), (3465, 8131), (3619, 7785), (3633, 7755), (4653, 6055), (4935, 5709)]