123816615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^2$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 220797024

約数和(自身を除く): 96980409

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 131, 185, 195, 393, 481, 555, 655, 1443, 1703, 1965, 2405, 4847, 5109, 7215, 8515, 14541, 17161, 24235, 25545, 51483, 63011, 72705, 85805, 189033, 223093, 257415, 315055, 634957, 669279, 945165, 1115465, 1904871, 3174785, 3346395, 8254441, 9524355, 24763323, 41272205, 123816615]

約数ペア:

[(1, 123816615), (3, 41272205), (5, 24763323), (13, 9524355), (15, 8254441), (37, 3346395), (39, 3174785), (65, 1904871), (111, 1115465), (131, 945165), (185, 669279), (195, 634957), (393, 315055), (481, 257415), (555, 223093), (655, 189033), (1443, 85805), (1703, 72705), (1965, 63011), (2405, 51483), (4847, 25545), (5109, 24235), (7215, 17161), (8515, 14541)]