201640977

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{307}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 322882560

約数和(自身を除く): 121241583

約数列:

[1, 3, 9, 19, 23, 57, 69, 167, 171, 207, 307, 437, 501, 921, 1311, 1503, 2763, 3173, 3841, 3933, 5833, 7061, 9519, 11523, 17499, 21183, 28557, 34569, 51269, 52497, 63549, 72979, 134159, 153807, 218937, 402477, 461421, 656811, 974111, 1179187, 1207431, 2922333, 3537561, 8766999, 10612683, 22404553, 67213659, 201640977]

約数ペア:

[(1, 201640977), (3, 67213659), (9, 22404553), (19, 10612683), (23, 8766999), (57, 3537561), (69, 2922333), (167, 1207431), (171, 1179187), (207, 974111), (307, 656811), (437, 461421), (501, 402477), (921, 218937), (1311, 153807), (1503, 134159), (2763, 72979), (3173, 63549), (3841, 52497), (3933, 51269), (5833, 34569), (7061, 28557), (9519, 21183), (11523, 17499)]