28358955

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 52565760

約数和(自身を除く): 24206805

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 701, 899, 1305, 1395, 2103, 2697, 3505, 4495, 6309, 8091, 10515, 13485, 20329, 21731, 31545, 40455, 60987, 65193, 101645, 108655, 182961, 195579, 304935, 325965, 630199, 914805, 977895, 1890597, 3150995, 5671791, 9452985, 28358955]

約数ペア:

[(1, 28358955), (3, 9452985), (5, 5671791), (9, 3150995), (15, 1890597), (29, 977895), (31, 914805), (45, 630199), (87, 325965), (93, 304935), (145, 195579), (155, 182961), (261, 108655), (279, 101645), (435, 65193), (465, 60987), (701, 40455), (899, 31545), (1305, 21731), (1395, 20329), (2103, 13485), (2697, 10515), (3505, 8091), (4495, 6309)]