9987642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2603

約数の個数: 48

約数和(自身を含む): 25539072

約数和(自身を除く): 15551430

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 2557, 3906, 5114, 7671, 15342, 17899, 23013, 35798, 46026, 53697, 79267, 107394, 158534, 161091, 237801, 322182, 475602, 554869, 713403, 1109738, 1426806, 1664607, 3329214, 4993821, 9987642]

約数ペア:

[(1, 9987642), (2, 4993821), (3, 3329214), (6, 1664607), (7, 1426806), (9, 1109738), (14, 713403), (18, 554869), (21, 475602), (31, 322182), (42, 237801), (62, 161091), (63, 158534), (93, 107394), (126, 79267), (186, 53697), (217, 46026), (279, 35798), (434, 23013), (558, 17899), (651, 15342), (1302, 7671), (1953, 5114), (2557, 3906)]