211403979

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{2731}}^1$

素因数の和:2848

約数の個数: 32

約数和(自身を含む): 325217280

約数和(自身を除く): 113813301

約数列:

[1, 3, 9, 27, 47, 61, 141, 183, 423, 549, 1269, 1647, 2731, 2867, 8193, 8601, 24579, 25803, 73737, 77409, 128357, 166591, 385071, 499773, 1155213, 1499319, 3465639, 4497957, 7829777, 23489331, 70467993, 211403979]

約数ペア:

[(1, 211403979), (3, 70467993), (9, 23489331), (27, 7829777), (47, 4497957), (61, 3465639), (141, 1499319), (183, 1155213), (423, 499773), (549, 385071), (1269, 166591), (1647, 128357), (2731, 77409), (2867, 73737), (8193, 25803), (8601, 24579)]