81450684

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{11971}}^1$

素因数の和:11997

約数の個数: 72

約数和(自身を含む): 244037248

約数和(自身を除く): 162586564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 6804, 11971, 23942, 35913, 47884, 71826, 83797, 107739, 143652, 167594, 215478, 251391, 323217, 335188, 430956, 502782, 646434, 754173, 969651, 1005564, 1292868, 1508346, 1939302, 2262519, 2908953, 3016692, 3878604, 4525038, 5817906, 6787557, 9050076, 11635812, 13575114, 20362671, 27150228, 40725342, 81450684]

約数ペア:

[(1, 81450684), (2, 40725342), (3, 27150228), (4, 20362671), (6, 13575114), (7, 11635812), (9, 9050076), (12, 6787557), (14, 5817906), (18, 4525038), (21, 3878604), (27, 3016692), (28, 2908953), (36, 2262519), (42, 1939302), (54, 1508346), (63, 1292868), (81, 1005564), (84, 969651), (108, 754173), (126, 646434), (162, 502782), (189, 430956), (243, 335188), (252, 323217), (324, 251391), (378, 215478), (486, 167594), (567, 143652), (756, 107739), (972, 83797), (1134, 71826), (1701, 47884), (2268, 35913), (3402, 23942), (6804, 11971)]