80844813

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 137479680

約数和(自身を除く): 56634867

約数列:

[1, 3, 7, 9, 21, 63, 67, 107, 179, 201, 321, 469, 537, 603, 749, 963, 1253, 1407, 1611, 2247, 3759, 4221, 6741, 7169, 11277, 11993, 19153, 21507, 35979, 50183, 57459, 64521, 83951, 107937, 134071, 150549, 172377, 251853, 402213, 451647, 755559, 1206639, 1283251, 3849753, 8982757, 11549259, 26948271, 80844813]

約数ペア:

[(1, 80844813), (3, 26948271), (7, 11549259), (9, 8982757), (21, 3849753), (63, 1283251), (67, 1206639), (107, 755559), (179, 451647), (201, 402213), (321, 251853), (469, 172377), (537, 150549), (603, 134071), (749, 107937), (963, 83951), (1253, 64521), (1407, 57459), (1611, 50183), (2247, 35979), (3759, 21507), (4221, 19153), (6741, 11993), (7169, 11277)]