72389991

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 103219200

約数和(自身を除く): 30829209

約数列:

[1, 3, 31, 59, 79, 93, 167, 177, 237, 501, 1829, 2449, 4661, 5177, 5487, 7347, 9853, 13193, 13983, 15531, 29559, 39579, 144491, 305443, 408983, 433473, 778387, 916329, 1226949, 2335161, 24129997, 72389991]

約数ペア:

[(1, 72389991), (3, 24129997), (31, 2335161), (59, 1226949), (79, 916329), (93, 778387), (167, 433473), (177, 408983), (237, 305443), (501, 144491), (1829, 39579), (2449, 29559), (4661, 15531), (5177, 13983), (5487, 13193), (7347, 9853)]