71424171

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2357}}^1$

素因数の和:2420

約数の個数: 48

約数和(自身を含む): 130463424

約数和(自身を除く): 59039253

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 111, 117, 259, 273, 333, 481, 777, 819, 1443, 2331, 2357, 3367, 4329, 7071, 10101, 16499, 21213, 30303, 30641, 49497, 87209, 91923, 148491, 214487, 261627, 275769, 610463, 643461, 784881, 1133717, 1831389, 1930383, 3401151, 5494167, 7936019, 10203453, 23808057, 71424171]

約数ペア:

[(1, 71424171), (3, 23808057), (7, 10203453), (9, 7936019), (13, 5494167), (21, 3401151), (37, 1930383), (39, 1831389), (63, 1133717), (91, 784881), (111, 643461), (117, 610463), (259, 275769), (273, 261627), (333, 214487), (481, 148491), (777, 91923), (819, 87209), (1443, 49497), (2331, 30641), (2357, 30303), (3367, 21213), (4329, 16499), (7071, 10101)]