72671823

素因数分解:

$3^7\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 128471040

約数和(自身を除く): 55799217

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 101, 141, 189, 243, 303, 329, 423, 567, 707, 729, 909, 987, 1269, 1701, 2121, 2187, 2727, 2961, 3807, 4747, 5103, 6363, 8181, 8883, 11421, 14241, 15309, 19089, 24543, 26649, 33229, 34263, 42723, 57267, 73629, 79947, 99687, 102789, 128169, 171801, 220887, 239841, 299061, 384507, 515403, 719523, 897183, 1153521, 1546209, 2691549, 3460563, 8074647, 10381689, 24223941, 72671823]

約数ペア:

[(1, 72671823), (3, 24223941), (7, 10381689), (9, 8074647), (21, 3460563), (27, 2691549), (47, 1546209), (63, 1153521), (81, 897183), (101, 719523), (141, 515403), (189, 384507), (243, 299061), (303, 239841), (329, 220887), (423, 171801), (567, 128169), (707, 102789), (729, 99687), (909, 79947), (987, 73629), (1269, 57267), (1701, 42723), (2121, 34263), (2187, 33229), (2727, 26649), (2961, 24543), (3807, 19089), (4747, 15309), (5103, 14241), (6363, 11421), (8181, 8883)]