172489719

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 247463424

約数和(自身を除く): 74973705

約数列:

[1, 3, 23, 53, 69, 101, 159, 303, 467, 1219, 1401, 2323, 3657, 5353, 6969, 10741, 16059, 24751, 32223, 47167, 74253, 123119, 141501, 369357, 569273, 1084841, 1707819, 2499851, 3254523, 7499553, 57496573, 172489719]

約数ペア:

[(1, 172489719), (3, 57496573), (23, 7499553), (53, 3254523), (69, 2499851), (101, 1707819), (159, 1084841), (303, 569273), (467, 369357), (1219, 141501), (1401, 123119), (2323, 74253), (3657, 47167), (5353, 32223), (6969, 24751), (10741, 16059)]