4020009

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 6894720

約数和(自身を除く): 2874711

約数列:

[1, 3, 7, 21, 23, 29, 41, 49, 69, 87, 123, 147, 161, 203, 287, 483, 609, 667, 861, 943, 1127, 1189, 1421, 2001, 2009, 2829, 3381, 3567, 4263, 4669, 6027, 6601, 8323, 14007, 19803, 24969, 27347, 32683, 46207, 58261, 82041, 98049, 138621, 174783, 191429, 574287, 1340003, 4020009]

約数ペア:

[(1, 4020009), (3, 1340003), (7, 574287), (21, 191429), (23, 174783), (29, 138621), (41, 98049), (49, 82041), (69, 58261), (87, 46207), (123, 32683), (147, 27347), (161, 24969), (203, 19803), (287, 14007), (483, 8323), (609, 6601), (667, 6027), (861, 4669), (943, 4263), (1127, 3567), (1189, 3381), (1421, 2829), (2001, 2009)]