153904149

素因数分解:

$3^2\times 7^2\times {\mathrm{348989}}^1$

素因数の和:349009

約数の個数: 18

約数和(自身を含む): 258601590

約数和(自身を除く): 104697441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 348989, 1046967, 2442923, 3140901, 7328769, 17100461, 21986307, 51301383, 153904149]

約数ペア:

[(1, 153904149), (3, 51301383), (7, 21986307), (9, 17100461), (21, 7328769), (49, 3140901), (63, 2442923), (147, 1046967), (441, 348989)]