1621297223

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{4001}}^1$

素因数の和:4155

約数の個数: 32

約数和(自身を含む): 2056451712

約数和(自身を除く): 435154489

約数列:

[1, 7, 13, 61, 73, 91, 427, 511, 793, 949, 4001, 4453, 5551, 6643, 28007, 31171, 52013, 57889, 244061, 292073, 364091, 405223, 1708427, 2044511, 3172793, 3796949, 17816453, 22209551, 26578643, 124715171, 231613889, 1621297223]

約数ペア:

[(1, 1621297223), (7, 231613889), (13, 124715171), (61, 26578643), (73, 22209551), (91, 17816453), (427, 3796949), (511, 3172793), (793, 2044511), (949, 1708427), (4001, 405223), (4453, 364091), (5551, 292073), (6643, 244061), (28007, 57889), (31171, 52013)]