646156917

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{15377}}^1$

素因数の和:15442

約数の個数: 48

約数和(自身を含む): 1151504640

約数和(自身を除く): 505347723

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 483, 609, 667, 1449, 1827, 2001, 4669, 6003, 14007, 15377, 42021, 46131, 107639, 138393, 322917, 353671, 445933, 968751, 1061013, 1337799, 2475697, 3121531, 3183039, 4013397, 7427091, 9364593, 10256459, 22281273, 28093779, 30769377, 71795213, 92308131, 215385639, 646156917]

約数ペア:

[(1, 646156917), (3, 215385639), (7, 92308131), (9, 71795213), (21, 30769377), (23, 28093779), (29, 22281273), (63, 10256459), (69, 9364593), (87, 7427091), (161, 4013397), (203, 3183039), (207, 3121531), (261, 2475697), (483, 1337799), (609, 1061013), (667, 968751), (1449, 445933), (1827, 353671), (2001, 322917), (4669, 138393), (6003, 107639), (14007, 46131), (15377, 42021)]