156975161

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 200890368

約数和(自身を除く): 43915207

約数列:

[1, 7, 17, 23, 83, 119, 161, 391, 581, 691, 1411, 1909, 2737, 4837, 9877, 11747, 13363, 15893, 32453, 57353, 82229, 111251, 227171, 270181, 401471, 975001, 1319119, 1891267, 6825007, 9233833, 22425023, 156975161]

約数ペア:

[(1, 156975161), (7, 22425023), (17, 9233833), (23, 6825007), (83, 1891267), (119, 1319119), (161, 975001), (391, 401471), (581, 270181), (691, 227171), (1411, 111251), (1909, 82229), (2737, 57353), (4837, 32453), (9877, 15893), (11747, 13363)]