38794815

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 72737280

約数和(自身を除く): 33942465

約数列:

[1, 3, 5, 9, 15, 27, 41, 43, 45, 123, 129, 135, 163, 205, 215, 369, 387, 489, 615, 645, 815, 1107, 1161, 1467, 1763, 1845, 1935, 2445, 4401, 5289, 5535, 5805, 6683, 7009, 7335, 8815, 15867, 20049, 21027, 22005, 26445, 33415, 35045, 47601, 60147, 63081, 79335, 100245, 105135, 180441, 189243, 238005, 287369, 300735, 315405, 862107, 902205, 946215, 1436845, 2586321, 4310535, 7758963, 12931605, 38794815]

約数ペア:

[(1, 38794815), (3, 12931605), (5, 7758963), (9, 4310535), (15, 2586321), (27, 1436845), (41, 946215), (43, 902205), (45, 862107), (123, 315405), (129, 300735), (135, 287369), (163, 238005), (205, 189243), (215, 180441), (369, 105135), (387, 100245), (489, 79335), (615, 63081), (645, 60147), (815, 47601), (1107, 35045), (1161, 33415), (1467, 26445), (1763, 22005), (1845, 21027), (1935, 20049), (2445, 15867), (4401, 8815), (5289, 7335), (5535, 7009), (5805, 6683)]