15218955

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1427}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 27417600

約数和(自身を除く): 12198645

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 1185, 1427, 2133, 3555, 4281, 7135, 10665, 12843, 21405, 38529, 64215, 112733, 192645, 338199, 563665, 1014597, 1690995, 3043791, 5072985, 15218955]

約数ペア:

[(1, 15218955), (3, 5072985), (5, 3043791), (9, 1690995), (15, 1014597), (27, 563665), (45, 338199), (79, 192645), (135, 112733), (237, 64215), (395, 38529), (711, 21405), (1185, 12843), (1427, 10665), (2133, 7135), (3555, 4281)]