81127224

素因数分解:

$2^3\times 3^3\times {\mathrm{379}}^1\times {\mathrm{991}}^1$

素因数の和:1385

約数の個数: 64

約数和(自身を含む): 226176000

約数和(自身を除く): 145048776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 379, 758, 991, 1137, 1516, 1982, 2274, 2973, 3032, 3411, 3964, 4548, 5946, 6822, 7928, 8919, 9096, 10233, 11892, 13644, 17838, 20466, 23784, 26757, 27288, 35676, 40932, 53514, 71352, 81864, 107028, 214056, 375589, 751178, 1126767, 1502356, 2253534, 3004712, 3380301, 4507068, 6760602, 9014136, 10140903, 13521204, 20281806, 27042408, 40563612, 81127224]

約数ペア:

[(1, 81127224), (2, 40563612), (3, 27042408), (4, 20281806), (6, 13521204), (8, 10140903), (9, 9014136), (12, 6760602), (18, 4507068), (24, 3380301), (27, 3004712), (36, 2253534), (54, 1502356), (72, 1126767), (108, 751178), (216, 375589), (379, 214056), (758, 107028), (991, 81864), (1137, 71352), (1516, 53514), (1982, 40932), (2274, 35676), (2973, 27288), (3032, 26757), (3411, 23784), (3964, 20466), (4548, 17838), (5946, 13644), (6822, 11892), (7928, 10233), (8919, 9096)]