31821138

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 71214936

約数和(自身を除く): 39393798

約数列:

[1, 2, 3, 6, 9, 18, 61, 73, 122, 146, 183, 219, 366, 397, 438, 549, 657, 794, 1098, 1191, 1314, 2382, 3573, 4453, 7146, 8906, 13359, 24217, 26718, 28981, 40077, 48434, 57962, 72651, 80154, 86943, 145302, 173886, 217953, 260829, 435906, 521658, 1767841, 3535682, 5303523, 10607046, 15910569, 31821138]

約数ペア:

[(1, 31821138), (2, 15910569), (3, 10607046), (6, 5303523), (9, 3535682), (18, 1767841), (61, 521658), (73, 435906), (122, 260829), (146, 217953), (183, 173886), (219, 145302), (366, 86943), (397, 80154), (438, 72651), (549, 57962), (657, 48434), (794, 40077), (1098, 28981), (1191, 26718), (1314, 24217), (2382, 13359), (3573, 8906), (4453, 7146)]