143289

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 20

約数和(自身を含む): 225060

約数和(自身を除く): 81771

約数列:

[1, 3, 9, 27, 29, 61, 81, 87, 183, 261, 549, 783, 1647, 1769, 2349, 4941, 5307, 15921, 47763, 143289]

約数ペア:

[(1, 143289), (3, 47763), (9, 15921), (27, 5307), (29, 4941), (61, 2349), (81, 1769), (87, 1647), (183, 783), (261, 549)]