219660741

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{751}}^1$

素因数の和:943

約数の個数: 40

約数和(自身を含む): 345041664

約数和(自身を除く): 125380923

約数列:

[1, 3, 9, 23, 27, 69, 81, 157, 207, 471, 621, 751, 1413, 1863, 2253, 3611, 4239, 6759, 10833, 12717, 17273, 20277, 32499, 51819, 60831, 97497, 117907, 155457, 292491, 353721, 466371, 1061163, 1399113, 2711861, 3183489, 8135583, 9550467, 24406749, 73220247, 219660741]

約数ペア:

[(1, 219660741), (3, 73220247), (9, 24406749), (23, 9550467), (27, 8135583), (69, 3183489), (81, 2711861), (157, 1399113), (207, 1061163), (471, 466371), (621, 353721), (751, 292491), (1413, 155457), (1863, 117907), (2253, 97497), (3611, 60831), (4239, 51819), (6759, 32499), (10833, 20277), (12717, 17273)]