15691409175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{42689}}^1$

素因数の和:42757

約数の個数: 72

約数和(自身を含む): 29061644400

約数和(自身を除く): 13370235225

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 145, 169, 195, 325, 377, 435, 507, 725, 845, 975, 1131, 1885, 2175, 2535, 4225, 4901, 5655, 9425, 12675, 14703, 24505, 28275, 42689, 73515, 122525, 128067, 213445, 367575, 554957, 640335, 1067225, 1237981, 1664871, 2774785, 3201675, 3713943, 6189905, 7214441, 8324355, 13873925, 16093753, 18569715, 21643323, 30949525, 36072205, 41621775, 48281259, 80468765, 92848575, 108216615, 180361025, 209218789, 241406295, 402343825, 541083075, 627656367, 1046093945, 1207031475, 3138281835, 5230469725, 15691409175]

約数ペア:

[(1, 15691409175), (3, 5230469725), (5, 3138281835), (13, 1207031475), (15, 1046093945), (25, 627656367), (29, 541083075), (39, 402343825), (65, 241406295), (75, 209218789), (87, 180361025), (145, 108216615), (169, 92848575), (195, 80468765), (325, 48281259), (377, 41621775), (435, 36072205), (507, 30949525), (725, 21643323), (845, 18569715), (975, 16093753), (1131, 13873925), (1885, 8324355), (2175, 7214441), (2535, 6189905), (4225, 3713943), (4901, 3201675), (5655, 2774785), (9425, 1664871), (12675, 1237981), (14703, 1067225), (24505, 640335), (28275, 554957), (42689, 367575), (73515, 213445), (122525, 128067)]