15898125

素因数分解:

$3^1\times 5^4\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 27116320

約数和(自身を除く): 11218195

約数列:

[1, 3, 5, 15, 25, 61, 75, 125, 139, 183, 305, 375, 417, 625, 695, 915, 1525, 1875, 2085, 3475, 4575, 7625, 8479, 10425, 17375, 22875, 25437, 38125, 42395, 52125, 86875, 114375, 127185, 211975, 260625, 635925, 1059875, 3179625, 5299375, 15898125]

約数ペア:

[(1, 15898125), (3, 5299375), (5, 3179625), (15, 1059875), (25, 635925), (61, 260625), (75, 211975), (125, 127185), (139, 114375), (183, 86875), (305, 52125), (375, 42395), (417, 38125), (625, 25437), (695, 22875), (915, 17375), (1525, 10425), (1875, 8479), (2085, 7625), (3475, 4575)]