228897681

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 319979520

約数和(自身を除く): 91081839

約数列:

[1, 3, 61, 71, 79, 183, 213, 223, 237, 669, 4331, 4819, 5609, 12993, 13603, 14457, 15833, 16827, 17617, 40809, 47499, 52851, 342149, 965813, 1026447, 1074637, 1250807, 2897439, 3223911, 3752421, 76299227, 228897681]

約数ペア:

[(1, 228897681), (3, 76299227), (61, 3752421), (71, 3223911), (79, 2897439), (183, 1250807), (213, 1074637), (223, 1026447), (237, 965813), (669, 342149), (4331, 52851), (4819, 47499), (5609, 40809), (12993, 17617), (13603, 16827), (14457, 15833)]