291663882

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{599}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 663552000

約数和(自身を除く): 371888118

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 127, 142, 213, 254, 381, 426, 599, 639, 762, 1143, 1198, 1278, 1797, 1917, 2286, 3429, 3594, 3834, 5391, 6858, 9017, 10782, 16173, 18034, 27051, 32346, 42529, 54102, 76073, 81153, 85058, 127587, 152146, 162306, 228219, 243459, 255174, 382761, 456438, 486918, 684657, 765522, 1148283, 1369314, 2053971, 2296566, 4107942, 5401183, 10802366, 16203549, 32407098, 48610647, 97221294, 145831941, 291663882]

約数ペア:

[(1, 291663882), (2, 145831941), (3, 97221294), (6, 48610647), (9, 32407098), (18, 16203549), (27, 10802366), (54, 5401183), (71, 4107942), (127, 2296566), (142, 2053971), (213, 1369314), (254, 1148283), (381, 765522), (426, 684657), (599, 486918), (639, 456438), (762, 382761), (1143, 255174), (1198, 243459), (1278, 228219), (1797, 162306), (1917, 152146), (2286, 127587), (3429, 85058), (3594, 81153), (3834, 76073), (5391, 54102), (6858, 42529), (9017, 32346), (10782, 27051), (16173, 18034)]