248868669

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2797}}^1$

素因数の和:3049

約数の個数: 32

約数和(自身を含む): 401121280

約数和(自身を除く): 152252611

約数列:

[1, 3, 7, 19, 21, 57, 133, 223, 399, 669, 1561, 2797, 4237, 4683, 8391, 12711, 19579, 29659, 53143, 58737, 88977, 159429, 372001, 623731, 1116003, 1871193, 4366117, 11850889, 13098351, 35552667, 82956223, 248868669]

約数ペア:

[(1, 248868669), (3, 82956223), (7, 35552667), (19, 13098351), (21, 11850889), (57, 4366117), (133, 1871193), (223, 1116003), (399, 623731), (669, 372001), (1561, 159429), (2797, 88977), (4237, 58737), (4683, 53143), (8391, 29659), (12711, 19579)]