51276915

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19991}}^1$

素因数の和:20024

約数の個数: 32

約数和(自身を含む): 95961600

約数和(自身を除く): 44684685

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 19991, 59973, 99955, 179919, 299865, 379829, 539757, 899595, 1139487, 1899145, 2698785, 3418461, 5697435, 10255383, 17092305, 51276915]

約数ペア:

[(1, 51276915), (3, 17092305), (5, 10255383), (9, 5697435), (15, 3418461), (19, 2698785), (27, 1899145), (45, 1139487), (57, 899595), (95, 539757), (135, 379829), (171, 299865), (285, 179919), (513, 99955), (855, 59973), (2565, 19991)]