90427421

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 111863808

約数和(自身を除く): 21436387

約数列:

[1, 7, 23, 67, 83, 101, 161, 469, 581, 707, 1541, 1909, 2323, 5561, 6767, 8383, 10787, 13363, 16261, 38927, 47369, 58681, 127903, 155641, 192809, 561661, 895321, 1089487, 1349663, 3931627, 12918203, 90427421]

約数ペア:

[(1, 90427421), (7, 12918203), (23, 3931627), (67, 1349663), (83, 1089487), (101, 895321), (161, 561661), (469, 192809), (581, 155641), (707, 127903), (1541, 58681), (1909, 47369), (2323, 38927), (5561, 16261), (6767, 13363), (8383, 10787)]