71189925

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 123742080

約数和(自身を除く): 52552155

約数列:

[1, 3, 5, 15, 25, 29, 71, 75, 87, 145, 213, 355, 435, 461, 725, 1065, 1383, 1775, 2059, 2175, 2305, 5325, 6177, 6915, 10295, 11525, 13369, 30885, 32731, 34575, 40107, 51475, 66845, 98193, 154425, 163655, 200535, 334225, 490965, 818275, 949199, 1002675, 2454825, 2847597, 4745995, 14237985, 23729975, 71189925]

約数ペア:

[(1, 71189925), (3, 23729975), (5, 14237985), (15, 4745995), (25, 2847597), (29, 2454825), (71, 1002675), (75, 949199), (87, 818275), (145, 490965), (213, 334225), (355, 200535), (435, 163655), (461, 154425), (725, 98193), (1065, 66845), (1383, 51475), (1775, 40107), (2059, 34575), (2175, 32731), (2305, 30885), (5325, 13369), (6177, 11525), (6915, 10295)]