38991141

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 68290560

約数和(自身を除く): 29299419

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 71, 161, 207, 213, 379, 483, 497, 639, 1137, 1449, 1491, 1633, 2653, 3411, 4473, 4899, 7959, 8717, 11431, 14697, 23877, 26151, 26909, 34293, 61019, 78453, 80727, 102879, 183057, 188363, 242181, 549171, 565089, 618907, 1695267, 1856721, 4332349, 5570163, 12997047, 38991141]

約数ペア:

[(1, 38991141), (3, 12997047), (7, 5570163), (9, 4332349), (21, 1856721), (23, 1695267), (63, 618907), (69, 565089), (71, 549171), (161, 242181), (207, 188363), (213, 183057), (379, 102879), (483, 80727), (497, 78453), (639, 61019), (1137, 34293), (1449, 26909), (1491, 26151), (1633, 23877), (2653, 14697), (3411, 11431), (4473, 8717), (4899, 7959)]