662588991

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20921}}^1$

素因数の和:20973

約数の個数: 40

約数和(自身を含む): 1093634784

約数和(自身を除く): 431045793

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 391, 459, 621, 1173, 1377, 1863, 3519, 10557, 20921, 31671, 62763, 188289, 355657, 481183, 564867, 1066971, 1443549, 1694601, 3200913, 4330647, 8180111, 9602739, 12991941, 24540333, 28808217, 38975823, 73620999, 220862997, 662588991]

約数ペア:

[(1, 662588991), (3, 220862997), (9, 73620999), (17, 38975823), (23, 28808217), (27, 24540333), (51, 12991941), (69, 9602739), (81, 8180111), (153, 4330647), (207, 3200913), (391, 1694601), (459, 1443549), (621, 1066971), (1173, 564867), (1377, 481183), (1863, 355657), (3519, 188289), (10557, 62763), (20921, 31671)]