31011390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{347}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 83185920

約数和(自身を除く): 52174530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 331, 347, 662, 694, 993, 1041, 1655, 1735, 1986, 2082, 2979, 3123, 3310, 3470, 4965, 5205, 5958, 6246, 8937, 9369, 9930, 10410, 14895, 15615, 17874, 18738, 29790, 31230, 44685, 46845, 89370, 93690, 114857, 229714, 344571, 574285, 689142, 1033713, 1148570, 1722855, 2067426, 3101139, 3445710, 5168565, 6202278, 10337130, 15505695, 31011390]

約数ペア:

[(1, 31011390), (2, 15505695), (3, 10337130), (5, 6202278), (6, 5168565), (9, 3445710), (10, 3101139), (15, 2067426), (18, 1722855), (27, 1148570), (30, 1033713), (45, 689142), (54, 574285), (90, 344571), (135, 229714), (270, 114857), (331, 93690), (347, 89370), (662, 46845), (694, 44685), (993, 31230), (1041, 29790), (1655, 18738), (1735, 17874), (1986, 15615), (2082, 14895), (2979, 10410), (3123, 9930), (3310, 9369), (3470, 8937), (4965, 6246), (5205, 5958)]