28609515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 55991520

約数和(自身を除く): 27382005

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 1993, 2871, 4785, 5979, 9965, 14355, 17937, 21923, 29895, 57797, 65769, 89685, 109615, 173391, 197307, 288985, 328845, 520173, 635767, 866955, 986535, 1907301, 2600865, 3178835, 5721903, 9536505, 28609515]

約数ペア:

[(1, 28609515), (3, 9536505), (5, 5721903), (9, 3178835), (11, 2600865), (15, 1907301), (29, 986535), (33, 866955), (45, 635767), (55, 520173), (87, 328845), (99, 288985), (145, 197307), (165, 173391), (261, 109615), (319, 89685), (435, 65769), (495, 57797), (957, 29895), (1305, 21923), (1595, 17937), (1993, 14355), (2871, 9965), (4785, 5979)]