31325553

素因数分解:

$3^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 53031888

約数和(自身を除く): 21706335

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 251, 283, 441, 753, 849, 1757, 1981, 2259, 2547, 5271, 5943, 12299, 13867, 15813, 17829, 36897, 41601, 71033, 110691, 124803, 213099, 497231, 639297, 1491693, 3480617, 4475079, 10441851, 31325553]

約数ペア:

[(1, 31325553), (3, 10441851), (7, 4475079), (9, 3480617), (21, 1491693), (49, 639297), (63, 497231), (147, 213099), (251, 124803), (283, 110691), (441, 71033), (753, 41601), (849, 36897), (1757, 17829), (1981, 15813), (2259, 13867), (2547, 12299), (5271, 5943)]