64703265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20639}}^1$

素因数の和:20677

約数の個数: 32

約数和(自身を含む): 118886400

約数和(自身を除く): 54183135

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 20639, 61917, 103195, 227029, 309585, 392141, 681087, 1135145, 1176423, 1960705, 3405435, 4313551, 5882115, 12940653, 21567755, 64703265]

約数ペア:

[(1, 64703265), (3, 21567755), (5, 12940653), (11, 5882115), (15, 4313551), (19, 3405435), (33, 1960705), (55, 1176423), (57, 1135145), (95, 681087), (165, 392141), (209, 309585), (285, 227029), (627, 103195), (1045, 61917), (3135, 20639)]