201215511

素因数分解:

$3^2\times 7^2\times {\mathrm{179}}^1\times {\mathrm{2549}}^1$

素因数の和:2748

約数の個数: 36

約数和(自身を含む): 340119000

約数和(自身を除く): 138903489

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 179, 441, 537, 1253, 1611, 2549, 3759, 7647, 8771, 11277, 17843, 22941, 26313, 53529, 78939, 124901, 160587, 374703, 456271, 1124109, 1368813, 3193897, 4106439, 9581691, 22357279, 28745073, 67071837, 201215511]

約数ペア:

[(1, 201215511), (3, 67071837), (7, 28745073), (9, 22357279), (21, 9581691), (49, 4106439), (63, 3193897), (147, 1368813), (179, 1124109), (441, 456271), (537, 374703), (1253, 160587), (1611, 124901), (2549, 78939), (3759, 53529), (7647, 26313), (8771, 22941), (11277, 17843)]