18215625

素因数分解:

$3^1\times 5^5\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 31872960

約数和(自身を除く): 13657335

約数列:

[1, 3, 5, 15, 25, 29, 67, 75, 87, 125, 145, 201, 335, 375, 435, 625, 725, 1005, 1675, 1875, 1943, 2175, 3125, 3625, 5025, 5829, 8375, 9375, 9715, 10875, 18125, 25125, 29145, 41875, 48575, 54375, 90625, 125625, 145725, 209375, 242875, 271875, 628125, 728625, 1214375, 3643125, 6071875, 18215625]

約数ペア:

[(1, 18215625), (3, 6071875), (5, 3643125), (15, 1214375), (25, 728625), (29, 628125), (67, 271875), (75, 242875), (87, 209375), (125, 145725), (145, 125625), (201, 90625), (335, 54375), (375, 48575), (435, 41875), (625, 29145), (725, 25125), (1005, 18125), (1675, 10875), (1875, 9715), (1943, 9375), (2175, 8375), (3125, 5829), (3625, 5025)]