15178725

素因数分解:

$3^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 28272000

約数和(自身を除く): 13093275

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 113, 135, 199, 225, 339, 565, 597, 675, 995, 1017, 1695, 1791, 2825, 2985, 3051, 4975, 5085, 5373, 8475, 8955, 14925, 15255, 22487, 25425, 26865, 44775, 67461, 76275, 112435, 134325, 202383, 337305, 562175, 607149, 1011915, 1686525, 3035745, 5059575, 15178725]

約数ペア:

[(1, 15178725), (3, 5059575), (5, 3035745), (9, 1686525), (15, 1011915), (25, 607149), (27, 562175), (45, 337305), (75, 202383), (113, 134325), (135, 112435), (199, 76275), (225, 67461), (339, 44775), (565, 26865), (597, 25425), (675, 22487), (995, 15255), (1017, 14925), (1695, 8955), (1791, 8475), (2825, 5373), (2985, 5085), (3051, 4975)]