17949015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2999}}^1$

素因数の和:3036

約数の個数: 48

約数和(自身を含む): 37440000

約数和(自身を除く): 19490985

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 2999, 5985, 8997, 14995, 20993, 26991, 44985, 56981, 62979, 104965, 134955, 170943, 188937, 284905, 314895, 398867, 512829, 854715, 944685, 1196601, 1994335, 2564145, 3589803, 5983005, 17949015]

約数ペア:

[(1, 17949015), (3, 5983005), (5, 3589803), (7, 2564145), (9, 1994335), (15, 1196601), (19, 944685), (21, 854715), (35, 512829), (45, 398867), (57, 314895), (63, 284905), (95, 188937), (105, 170943), (133, 134955), (171, 104965), (285, 62979), (315, 56981), (399, 44985), (665, 26991), (855, 20993), (1197, 14995), (1995, 8997), (2999, 5985)]