13805775

素因数分解:

$3^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 25727520

約数和(自身を除く): 11921745

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 113, 135, 181, 225, 339, 543, 565, 675, 905, 1017, 1629, 1695, 2715, 2825, 3051, 4525, 4887, 5085, 8145, 8475, 13575, 15255, 20453, 24435, 25425, 40725, 61359, 76275, 102265, 122175, 184077, 306795, 511325, 552231, 920385, 1533975, 2761155, 4601925, 13805775]

約数ペア:

[(1, 13805775), (3, 4601925), (5, 2761155), (9, 1533975), (15, 920385), (25, 552231), (27, 511325), (45, 306795), (75, 184077), (113, 122175), (135, 102265), (181, 76275), (225, 61359), (339, 40725), (543, 25425), (565, 24435), (675, 20453), (905, 15255), (1017, 13575), (1629, 8475), (1695, 8145), (2715, 5085), (2825, 4887), (3051, 4525)]