18193125

素因数分解:

$3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:367

約数の個数: 40

約数和(自身を含む): 31389952

約数和(自身を除く): 13196827

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 313, 375, 465, 625, 775, 939, 1565, 1875, 2325, 3875, 4695, 7825, 9703, 11625, 19375, 23475, 29109, 39125, 48515, 58125, 117375, 145545, 195625, 242575, 586875, 727725, 1212875, 3638625, 6064375, 18193125]

約数ペア:

[(1, 18193125), (3, 6064375), (5, 3638625), (15, 1212875), (25, 727725), (31, 586875), (75, 242575), (93, 195625), (125, 145545), (155, 117375), (313, 58125), (375, 48515), (465, 39125), (625, 29109), (775, 23475), (939, 19375), (1565, 11625), (1875, 9703), (2325, 7825), (3875, 4695)]