17997639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 27506688

約数和(自身を除く): 9509049

約数列:

[1, 3, 11, 31, 33, 73, 93, 219, 241, 341, 723, 803, 1023, 2263, 2409, 2651, 6789, 7471, 7953, 17593, 22413, 24893, 52779, 74679, 82181, 193523, 246543, 545383, 580569, 1636149, 5999213, 17997639]

約数ペア:

[(1, 17997639), (3, 5999213), (11, 1636149), (31, 580569), (33, 545383), (73, 246543), (93, 193523), (219, 82181), (241, 74679), (341, 52779), (723, 24893), (803, 22413), (1023, 17593), (2263, 7953), (2409, 7471), (2651, 6789)]