18246375

素因数分解:

$3^2\times 5^3\times 7^2\times {\mathrm{331}}^1$

素因数の和:366

約数の個数: 72

約数和(自身を含む): 38377872

約数和(自身を除く): 20131497

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 125, 147, 175, 225, 245, 315, 331, 375, 441, 525, 735, 875, 993, 1125, 1225, 1575, 1655, 2205, 2317, 2625, 2979, 3675, 4965, 6125, 6951, 7875, 8275, 11025, 11585, 14895, 16219, 18375, 20853, 24825, 34755, 41375, 48657, 55125, 57925, 74475, 81095, 104265, 124125, 145971, 173775, 243285, 289625, 372375, 405475, 521325, 729855, 868875, 1216425, 2027375, 2606625, 3649275, 6082125, 18246375]

約数ペア:

[(1, 18246375), (3, 6082125), (5, 3649275), (7, 2606625), (9, 2027375), (15, 1216425), (21, 868875), (25, 729855), (35, 521325), (45, 405475), (49, 372375), (63, 289625), (75, 243285), (105, 173775), (125, 145971), (147, 124125), (175, 104265), (225, 81095), (245, 74475), (315, 57925), (331, 55125), (375, 48657), (441, 41375), (525, 34755), (735, 24825), (875, 20853), (993, 18375), (1125, 16219), (1225, 14895), (1575, 11585), (1655, 11025), (2205, 8275), (2317, 7875), (2625, 6951), (2979, 6125), (3675, 4965)]