71287905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 131604480

約数和(自身を除く): 60316575

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 71, 95, 195, 213, 247, 271, 285, 355, 741, 813, 923, 1065, 1235, 1349, 1355, 2769, 3523, 3705, 4047, 4065, 4615, 5149, 6745, 10569, 13845, 15447, 17537, 17615, 19241, 20235, 25745, 52611, 52845, 57723, 66937, 77235, 87685, 96205, 200811, 250133, 263055, 288615, 334685, 365579, 750399, 1004055, 1096737, 1250665, 1827895, 3751995, 4752527, 5483685, 14257581, 23762635, 71287905]

約数ペア:

[(1, 71287905), (3, 23762635), (5, 14257581), (13, 5483685), (15, 4752527), (19, 3751995), (39, 1827895), (57, 1250665), (65, 1096737), (71, 1004055), (95, 750399), (195, 365579), (213, 334685), (247, 288615), (271, 263055), (285, 250133), (355, 200811), (741, 96205), (813, 87685), (923, 77235), (1065, 66937), (1235, 57723), (1349, 52845), (1355, 52611), (2769, 25745), (3523, 20235), (3705, 19241), (4047, 17615), (4065, 17537), (4615, 15447), (5149, 13845), (6745, 10569)]