219946887

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{491}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 334402560

約数和(自身を除く): 114455673

約数列:

[1, 3, 9, 27, 47, 141, 353, 423, 491, 1059, 1269, 1473, 3177, 4419, 9531, 13257, 16591, 23077, 49773, 69231, 149319, 173323, 207693, 447957, 519969, 623079, 1559907, 4679721, 8146181, 24438543, 73315629, 219946887]

約数ペア:

[(1, 219946887), (3, 73315629), (9, 24438543), (27, 8146181), (47, 4679721), (141, 1559907), (353, 623079), (423, 519969), (491, 447957), (1059, 207693), (1269, 173323), (1473, 149319), (3177, 69231), (4419, 49773), (9531, 23077), (13257, 16591)]