172980801

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 293289984

約数和(自身を除く): 120309183

約数列:

[1, 3, 7, 9, 21, 63, 67, 107, 201, 321, 383, 469, 603, 749, 963, 1149, 1407, 2247, 2681, 3447, 4221, 6741, 7169, 8043, 21507, 24129, 25661, 40981, 50183, 64521, 76983, 122943, 150549, 179627, 230949, 286867, 368829, 451647, 538881, 860601, 1616643, 2581803, 2745727, 8237181, 19220089, 24711543, 57660267, 172980801]

約数ペア:

[(1, 172980801), (3, 57660267), (7, 24711543), (9, 19220089), (21, 8237181), (63, 2745727), (67, 2581803), (107, 1616643), (201, 860601), (321, 538881), (383, 451647), (469, 368829), (603, 286867), (749, 230949), (963, 179627), (1149, 150549), (1407, 122943), (2247, 76983), (2681, 64521), (3447, 50183), (4221, 40981), (6741, 25661), (7169, 24129), (8043, 21507)]