72456405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{36319}}^1$

素因数の和:36353

約数の個数: 32

約数和(自身を含む): 139468800

約数和(自身を除く): 67012395

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 36319, 108957, 181595, 254233, 544785, 690061, 762699, 1271165, 2070183, 3450305, 3813495, 4830427, 10350915, 14491281, 24152135, 72456405]

約数ペア:

[(1, 72456405), (3, 24152135), (5, 14491281), (7, 10350915), (15, 4830427), (19, 3813495), (21, 3450305), (35, 2070183), (57, 1271165), (95, 762699), (105, 690061), (133, 544785), (285, 254233), (399, 181595), (665, 108957), (1995, 36319)]