140787045

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{21283}}^1$

素因数の和:21311

約数の個数: 48

約数和(自身を含む): 291165120

約数和(自身を除く): 150378075

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 6615, 21283, 63849, 106415, 148981, 191547, 319245, 446943, 574641, 744905, 957735, 1042867, 1340829, 2234715, 2873205, 3128601, 4022487, 5214335, 6704145, 9385803, 15643005, 20112435, 28157409, 46929015, 140787045]

約数ペア:

[(1, 140787045), (3, 46929015), (5, 28157409), (7, 20112435), (9, 15643005), (15, 9385803), (21, 6704145), (27, 5214335), (35, 4022487), (45, 3128601), (49, 2873205), (63, 2234715), (105, 1340829), (135, 1042867), (147, 957735), (189, 744905), (245, 574641), (315, 446943), (441, 319245), (735, 191547), (945, 148981), (1323, 106415), (2205, 63849), (6615, 21283)]