71570289

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 123863040

約数和(自身を除く): 52292751

約数列:

[1, 3, 7, 17, 21, 29, 31, 51, 87, 93, 119, 203, 217, 223, 357, 493, 527, 609, 651, 669, 899, 1479, 1561, 1581, 2697, 3451, 3689, 3791, 4683, 6293, 6467, 6913, 10353, 11067, 11373, 15283, 18879, 19401, 20739, 26537, 45269, 45849, 48391, 79611, 106981, 109939, 117521, 135807, 145173, 200477, 320943, 329817, 352563, 601431, 769573, 822647, 1403339, 2308719, 2467941, 3408109, 4210017, 10224327, 23856763, 71570289]

約数ペア:

[(1, 71570289), (3, 23856763), (7, 10224327), (17, 4210017), (21, 3408109), (29, 2467941), (31, 2308719), (51, 1403339), (87, 822647), (93, 769573), (119, 601431), (203, 352563), (217, 329817), (223, 320943), (357, 200477), (493, 145173), (527, 135807), (609, 117521), (651, 109939), (669, 106981), (899, 79611), (1479, 48391), (1561, 45849), (1581, 45269), (2697, 26537), (3451, 20739), (3689, 19401), (3791, 18879), (4683, 15283), (6293, 11373), (6467, 11067), (6913, 10353)]