28140063

素因数分解:

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

素因数の和:117

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 20243937

約数列:

[1, 3, 7, 21, 23, 29, 41, 49, 69, 87, 123, 147, 161, 203, 287, 343, 483, 609, 667, 861, 943, 1029, 1127, 1189, 1421, 2001, 2009, 2829, 3381, 3567, 4263, 4669, 6027, 6601, 7889, 8323, 9947, 14007, 14063, 19803, 23667, 24969, 27347, 29841, 32683, 42189, 46207, 58261, 82041, 98049, 138621, 174783, 191429, 228781, 323449, 407827, 574287, 686343, 970347, 1223481, 1340003, 4020009, 9380021, 28140063]

約数ペア:

[(1, 28140063), (3, 9380021), (7, 4020009), (21, 1340003), (23, 1223481), (29, 970347), (41, 686343), (49, 574287), (69, 407827), (87, 323449), (123, 228781), (147, 191429), (161, 174783), (203, 138621), (287, 98049), (343, 82041), (483, 58261), (609, 46207), (667, 42189), (861, 32683), (943, 29841), (1029, 27347), (1127, 24969), (1189, 23667), (1421, 19803), (2001, 14063), (2009, 14007), (2829, 9947), (3381, 8323), (3567, 7889), (4263, 6601), (4669, 6027)]