31581810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26993}}^1$

素因数の和:27019

約数の個数: 48

約数和(自身を含む): 88432344

約数和(自身を除く): 56850534

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 26993, 53986, 80979, 134965, 161958, 242937, 269930, 350909, 404895, 485874, 701818, 809790, 1052727, 1214685, 1754545, 2105454, 2429370, 3158181, 3509090, 5263635, 6316362, 10527270, 15790905, 31581810]

約数ペア:

[(1, 31581810), (2, 15790905), (3, 10527270), (5, 6316362), (6, 5263635), (9, 3509090), (10, 3158181), (13, 2429370), (15, 2105454), (18, 1754545), (26, 1214685), (30, 1052727), (39, 809790), (45, 701818), (65, 485874), (78, 404895), (90, 350909), (117, 269930), (130, 242937), (195, 161958), (234, 134965), (390, 80979), (585, 53986), (1170, 26993)]