31224375

素因数分解:

$3^2\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 120

約数和(自身を含む): 70502432

約数和(自身を除く): 39278057

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 61, 63, 65, 75, 91, 105, 117, 125, 175, 183, 195, 225, 273, 305, 315, 325, 375, 427, 455, 525, 549, 585, 625, 793, 819, 875, 915, 975, 1125, 1281, 1365, 1525, 1575, 1625, 1875, 2135, 2275, 2379, 2625, 2745, 2925, 3843, 3965, 4095, 4375, 4575, 4875, 5551, 5625, 6405, 6825, 7137, 7625, 7875, 8125, 10675, 11375, 11895, 13125, 13725, 14625, 16653, 19215, 19825, 20475, 22875, 24375, 27755, 32025, 34125, 35685, 38125, 39375, 49959, 53375, 56875, 59475, 68625, 73125, 83265, 96075, 99125, 102375, 114375, 138775, 160125, 170625, 178425, 249795, 266875, 297375, 343125, 416325, 480375, 495625, 511875, 693875, 800625, 892125, 1248975, 1486875, 2081625, 2401875, 3469375, 4460625, 6244875, 10408125, 31224375]

約数ペア:

[(1, 31224375), (3, 10408125), (5, 6244875), (7, 4460625), (9, 3469375), (13, 2401875), (15, 2081625), (21, 1486875), (25, 1248975), (35, 892125), (39, 800625), (45, 693875), (61, 511875), (63, 495625), (65, 480375), (75, 416325), (91, 343125), (105, 297375), (117, 266875), (125, 249795), (175, 178425), (183, 170625), (195, 160125), (225, 138775), (273, 114375), (305, 102375), (315, 99125), (325, 96075), (375, 83265), (427, 73125), (455, 68625), (525, 59475), (549, 56875), (585, 53375), (625, 49959), (793, 39375), (819, 38125), (875, 35685), (915, 34125), (975, 32025), (1125, 27755), (1281, 24375), (1365, 22875), (1525, 20475), (1575, 19825), (1625, 19215), (1875, 16653), (2135, 14625), (2275, 13725), (2379, 13125), (2625, 11895), (2745, 11375), (2925, 10675), (3843, 8125), (3965, 7875), (4095, 7625), (4375, 7137), (4575, 6825), (4875, 6405), (5551, 5625)]