31955625

素因数分解:

$3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 120

約数和(自身を含む): 68228160

約数和(自身を除く): 36272535

約数列:

[1, 3, 5, 9, 13, 15, 19, 23, 25, 39, 45, 57, 65, 69, 75, 95, 115, 117, 125, 171, 195, 207, 225, 247, 285, 299, 325, 345, 375, 437, 475, 575, 585, 625, 741, 855, 897, 975, 1035, 1125, 1235, 1311, 1425, 1495, 1625, 1725, 1875, 2185, 2223, 2375, 2691, 2875, 2925, 3705, 3933, 4275, 4485, 4875, 5175, 5625, 5681, 6175, 6555, 7125, 7475, 8125, 8625, 10925, 11115, 11875, 13455, 14375, 14625, 17043, 18525, 19665, 21375, 22425, 24375, 25875, 28405, 30875, 32775, 35625, 37375, 43125, 51129, 54625, 55575, 67275, 73125, 85215, 92625, 98325, 106875, 112125, 129375, 142025, 154375, 163875, 186875, 255645, 273125, 277875, 336375, 426075, 463125, 491625, 560625, 710125, 819375, 1278225, 1389375, 1681875, 2130375, 2458125, 3550625, 6391125, 10651875, 31955625]

約数ペア:

[(1, 31955625), (3, 10651875), (5, 6391125), (9, 3550625), (13, 2458125), (15, 2130375), (19, 1681875), (23, 1389375), (25, 1278225), (39, 819375), (45, 710125), (57, 560625), (65, 491625), (69, 463125), (75, 426075), (95, 336375), (115, 277875), (117, 273125), (125, 255645), (171, 186875), (195, 163875), (207, 154375), (225, 142025), (247, 129375), (285, 112125), (299, 106875), (325, 98325), (345, 92625), (375, 85215), (437, 73125), (475, 67275), (575, 55575), (585, 54625), (625, 51129), (741, 43125), (855, 37375), (897, 35625), (975, 32775), (1035, 30875), (1125, 28405), (1235, 25875), (1311, 24375), (1425, 22425), (1495, 21375), (1625, 19665), (1725, 18525), (1875, 17043), (2185, 14625), (2223, 14375), (2375, 13455), (2691, 11875), (2875, 11115), (2925, 10925), (3705, 8625), (3933, 8125), (4275, 7475), (4485, 7125), (4875, 6555), (5175, 6175), (5625, 5681)]