28591785

素因数分解:

$3^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:555

約数の個数: 40

約数和(自身を含む): 51644736

約数和(自身を除く): 23052951

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 227, 311, 405, 681, 933, 1135, 1555, 2043, 2799, 3405, 4665, 6129, 8397, 10215, 13995, 18387, 25191, 30645, 41985, 70597, 91935, 125955, 211791, 352985, 635373, 1058955, 1906119, 3176865, 5718357, 9530595, 28591785]

約数ペア:

[(1, 28591785), (3, 9530595), (5, 5718357), (9, 3176865), (15, 1906119), (27, 1058955), (45, 635373), (81, 352985), (135, 211791), (227, 125955), (311, 91935), (405, 70597), (681, 41985), (933, 30645), (1135, 25191), (1555, 18387), (2043, 13995), (2799, 10215), (3405, 8397), (4665, 6129)]