28700865

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7331}}^1$

素因数の和:7374

約数の個数: 32

約数和(自身を含む): 52790400

約数和(自身を除く): 24089535

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 7331, 21993, 36655, 65979, 109965, 197937, 212599, 329895, 637797, 989685, 1062995, 1913391, 3188985, 5740173, 9566955, 28700865]

約数ペア:

[(1, 28700865), (3, 9566955), (5, 5740173), (9, 3188985), (15, 1913391), (27, 1062995), (29, 989685), (45, 637797), (87, 329895), (135, 212599), (145, 197937), (261, 109965), (435, 65979), (783, 36655), (1305, 21993), (3915, 7331)]