72502005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3583}}^1$

素因数の和:3681

約数の個数: 32

約数和(自身を含む): 123863040

約数和(自身を除く): 51361035

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1065, 1349, 3583, 4047, 6745, 10749, 17915, 20235, 53745, 68077, 204231, 254393, 340385, 763179, 1021155, 1271965, 3815895, 4833467, 14500401, 24167335, 72502005]

約数ペア:

[(1, 72502005), (3, 24167335), (5, 14500401), (15, 4833467), (19, 3815895), (57, 1271965), (71, 1021155), (95, 763179), (213, 340385), (285, 254393), (355, 204231), (1065, 68077), (1349, 53745), (3583, 20235), (4047, 17915), (6745, 10749)]