289389618

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{765581}}^1$

素因数の和:765599

約数の個数: 32

約数和(自身を含む): 734958720

約数和(自身を除く): 445569102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 765581, 1531162, 2296743, 4593486, 5359067, 6890229, 10718134, 13780458, 16077201, 20670687, 32154402, 41341374, 48231603, 96463206, 144694809, 289389618]

約数ペア:

[(1, 289389618), (2, 144694809), (3, 96463206), (6, 48231603), (7, 41341374), (9, 32154402), (14, 20670687), (18, 16077201), (21, 13780458), (27, 10718134), (42, 6890229), (54, 5359067), (63, 4593486), (126, 2296743), (189, 1531162), (378, 765581)]