389884365

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21499}}^1$

素因数の和:21554

約数の個数: 48

約数和(自身を含む): 751296000

約数和(自身を除く): 361411635

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 279, 403, 465, 585, 1209, 1395, 2015, 3627, 6045, 18135, 21499, 64497, 107495, 193491, 279487, 322485, 666469, 838461, 967455, 1397435, 1999407, 2515383, 3332345, 4192305, 5998221, 8664097, 9997035, 12576915, 25992291, 29991105, 43320485, 77976873, 129961455, 389884365]

約数ペア:

[(1, 389884365), (3, 129961455), (5, 77976873), (9, 43320485), (13, 29991105), (15, 25992291), (31, 12576915), (39, 9997035), (45, 8664097), (65, 5998221), (93, 4192305), (117, 3332345), (155, 2515383), (195, 1999407), (279, 1397435), (403, 967455), (465, 838461), (585, 666469), (1209, 322485), (1395, 279487), (2015, 193491), (3627, 107495), (6045, 64497), (18135, 21499)]