71913525

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 126849024

約数和(自身を除く): 54935499

約数列:

[1, 3, 5, 15, 23, 25, 47, 69, 75, 115, 141, 235, 345, 575, 705, 887, 1081, 1175, 1725, 2661, 3243, 3525, 4435, 5405, 13305, 16215, 20401, 22175, 27025, 41689, 61203, 66525, 81075, 102005, 125067, 208445, 306015, 510025, 625335, 958847, 1042225, 1530075, 2876541, 3126675, 4794235, 14382705, 23971175, 71913525]

約数ペア:

[(1, 71913525), (3, 23971175), (5, 14382705), (15, 4794235), (23, 3126675), (25, 2876541), (47, 1530075), (69, 1042225), (75, 958847), (115, 625335), (141, 510025), (235, 306015), (345, 208445), (575, 125067), (705, 102005), (887, 81075), (1081, 66525), (1175, 61203), (1725, 41689), (2661, 27025), (3243, 22175), (3525, 20401), (4435, 16215), (5405, 13305)]