28395783

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7829}}^1$

素因数の和:7879

約数の個数: 24

約数和(自身を含む): 45601920

約数和(自身を除く): 17206137

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 7829, 23487, 70461, 101777, 242699, 305331, 728097, 915993, 2184291, 3155087, 9465261, 28395783]

約数ペア:

[(1, 28395783), (3, 9465261), (9, 3155087), (13, 2184291), (31, 915993), (39, 728097), (93, 305331), (117, 242699), (279, 101777), (403, 70461), (1209, 23487), (3627, 7829)]