638149005

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{1187}}^1$

素因数の和:2130

約数の個数: 48

約数和(自身を含む): 1193512320

約数和(自身を除く): 555363315

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 919, 1187, 2757, 3561, 4595, 5935, 8271, 10683, 11947, 13785, 15431, 17805, 35841, 41355, 46293, 53415, 59735, 77155, 107523, 138879, 179205, 231465, 537615, 694395, 1090853, 3272559, 5454265, 9817677, 14181089, 16362795, 42543267, 49088385, 70905445, 127629801, 212716335, 638149005]

約数ペア:

[(1, 638149005), (3, 212716335), (5, 127629801), (9, 70905445), (13, 49088385), (15, 42543267), (39, 16362795), (45, 14181089), (65, 9817677), (117, 5454265), (195, 3272559), (585, 1090853), (919, 694395), (1187, 537615), (2757, 231465), (3561, 179205), (4595, 138879), (5935, 107523), (8271, 77155), (10683, 59735), (11947, 53415), (13785, 46293), (15431, 41355), (17805, 35841)]