28531935

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 51787008

約数和(自身を除く): 23255073

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 113, 155, 181, 279, 339, 465, 543, 565, 905, 1017, 1395, 1629, 1695, 2715, 3503, 5085, 5611, 8145, 10509, 16833, 17515, 20453, 28055, 31527, 50499, 52545, 61359, 84165, 102265, 157635, 184077, 252495, 306795, 634043, 920385, 1902129, 3170215, 5706387, 9510645, 28531935]

約数ペア:

[(1, 28531935), (3, 9510645), (5, 5706387), (9, 3170215), (15, 1902129), (31, 920385), (45, 634043), (93, 306795), (113, 252495), (155, 184077), (181, 157635), (279, 102265), (339, 84165), (465, 61359), (543, 52545), (565, 50499), (905, 31527), (1017, 28055), (1395, 20453), (1629, 17515), (1695, 16833), (2715, 10509), (3503, 8145), (5085, 5611)]