72990537

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 107339904

約数和(自身を除く): 34349367

約数列:

[1, 3, 17, 41, 51, 67, 123, 201, 521, 697, 1139, 1563, 2091, 2747, 3417, 8241, 8857, 21361, 26571, 34907, 46699, 64083, 104721, 140097, 363137, 593419, 1089411, 1431187, 1780257, 4293561, 24330179, 72990537]

約数ペア:

[(1, 72990537), (3, 24330179), (17, 4293561), (41, 1780257), (51, 1431187), (67, 1089411), (123, 593419), (201, 363137), (521, 140097), (697, 104721), (1139, 64083), (1563, 46699), (2091, 34907), (2747, 26571), (3417, 21361), (8241, 8857)]