872307639

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{4397}}^1$

素因数の和:4524

約数の個数: 48

約数和(自身を含む): 1492927488

約数和(自身を除く): 620619849

約数列:

[1, 3, 7, 9, 21, 47, 63, 67, 141, 201, 329, 423, 469, 603, 987, 1407, 2961, 3149, 4221, 4397, 9447, 13191, 22043, 28341, 30779, 39573, 66129, 92337, 198387, 206659, 277011, 294599, 619977, 883797, 1446613, 1859931, 2062193, 2651391, 4339839, 6186579, 13019517, 13846153, 18559737, 41538459, 96923071, 124615377, 290769213, 872307639]

約数ペア:

[(1, 872307639), (3, 290769213), (7, 124615377), (9, 96923071), (21, 41538459), (47, 18559737), (63, 13846153), (67, 13019517), (141, 6186579), (201, 4339839), (329, 2651391), (423, 2062193), (469, 1859931), (603, 1446613), (987, 883797), (1407, 619977), (2961, 294599), (3149, 277011), (4221, 206659), (4397, 198387), (9447, 92337), (13191, 66129), (22043, 39573), (28341, 30779)]