61561311

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{557}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 99279360

約数和(自身を除く): 37718049

約数列:

[1, 3, 7, 19, 21, 57, 133, 277, 399, 557, 831, 1671, 1939, 3899, 5263, 5817, 10583, 11697, 15789, 31749, 36841, 74081, 110523, 154289, 222243, 462867, 1080023, 2931491, 3240069, 8794473, 20520437, 61561311]

約数ペア:

[(1, 61561311), (3, 20520437), (7, 8794473), (19, 3240069), (21, 2931491), (57, 1080023), (133, 462867), (277, 222243), (399, 154289), (557, 110523), (831, 74081), (1671, 36841), (1939, 31749), (3899, 15789), (5263, 11697), (5817, 10583)]