85516473

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2713}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 138956800

約数和(自身を除く): 53440327

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 399, 553, 1501, 1659, 2713, 4503, 8139, 10507, 18991, 31521, 51547, 56973, 154641, 214327, 360829, 642981, 1082487, 1500289, 4072213, 4500867, 12216639, 28505491, 85516473]

約数ペア:

[(1, 85516473), (3, 28505491), (7, 12216639), (19, 4500867), (21, 4072213), (57, 1500289), (79, 1082487), (133, 642981), (237, 360829), (399, 214327), (553, 154641), (1501, 56973), (1659, 51547), (2713, 31521), (4503, 18991), (8139, 10507)]