2491755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 4800000

約数和(自身を除く): 2308245

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1249, 1995, 3747, 6245, 8743, 18735, 23731, 26229, 43715, 71193, 118655, 131145, 166117, 355965, 498351, 830585, 2491755]

約数ペア:

[(1, 2491755), (3, 830585), (5, 498351), (7, 355965), (15, 166117), (19, 131145), (21, 118655), (35, 71193), (57, 43715), (95, 26229), (105, 23731), (133, 18735), (285, 8743), (399, 6245), (665, 3747), (1249, 1995)]