245973

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 32

約数和(自身を含む): 435456

約数和(自身を除く): 189483

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 53, 91, 119, 159, 221, 273, 357, 371, 663, 689, 901, 1113, 1547, 2067, 2703, 4641, 4823, 6307, 11713, 14469, 18921, 35139, 81991, 245973]

約数ペア:

[(1, 245973), (3, 81991), (7, 35139), (13, 18921), (17, 14469), (21, 11713), (39, 6307), (51, 4823), (53, 4641), (91, 2703), (119, 2067), (159, 1547), (221, 1113), (273, 901), (357, 689), (371, 663)]