202159251

素因数分解:

$3^2\times 7^2\times {\mathrm{557}}^1\times {\mathrm{823}}^1$

素因数の和:1400

約数の個数: 36

約数和(自身を含む): 340705872

約数和(自身を除く): 138546621

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 557, 823, 1671, 2469, 3899, 5013, 5761, 7407, 11697, 17283, 27293, 35091, 40327, 51849, 81879, 120981, 245637, 362943, 458411, 1375233, 3208877, 4125699, 9626631, 22462139, 28879893, 67386417, 202159251]

約数ペア:

[(1, 202159251), (3, 67386417), (7, 28879893), (9, 22462139), (21, 9626631), (49, 4125699), (63, 3208877), (147, 1375233), (441, 458411), (557, 362943), (823, 245637), (1671, 120981), (2469, 81879), (3899, 51849), (5013, 40327), (5761, 35091), (7407, 27293), (11697, 17283)]