7212213

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 11308800

約数和(自身を除く): 4096587

約数列:

[1, 3, 9, 27, 29, 61, 87, 151, 183, 261, 453, 549, 783, 1359, 1647, 1769, 4077, 4379, 5307, 9211, 13137, 15921, 27633, 39411, 47763, 82899, 118233, 248697, 267119, 801357, 2404071, 7212213]

約数ペア:

[(1, 7212213), (3, 2404071), (9, 801357), (27, 267119), (29, 248697), (61, 118233), (87, 82899), (151, 47763), (183, 39411), (261, 27633), (453, 15921), (549, 13137), (783, 9211), (1359, 5307), (1647, 4379), (1769, 4077)]