72044721

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2083}}^1$

素因数の和:2163

約数の個数: 40

約数和(自身を含む): 125073344

約数和(自身を除く): 53028623

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 1281, 1647, 2083, 3843, 4941, 6249, 11529, 14581, 18747, 34587, 43743, 56241, 127063, 131229, 168723, 381189, 393687, 889441, 1143567, 1181061, 2668323, 3430701, 8004969, 10292103, 24014907, 72044721]

約数ペア:

[(1, 72044721), (3, 24014907), (7, 10292103), (9, 8004969), (21, 3430701), (27, 2668323), (61, 1181061), (63, 1143567), (81, 889441), (183, 393687), (189, 381189), (427, 168723), (549, 131229), (567, 127063), (1281, 56241), (1647, 43743), (2083, 34587), (3843, 18747), (4941, 14581), (6249, 11529)]