202120005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{13381}}^1$

素因数の和:13461

約数の個数: 32

約数和(自身を含む): 346861440

約数和(自身を除く): 144741435

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 3021, 5035, 13381, 15105, 40143, 66905, 200715, 254239, 709193, 762717, 1271195, 2127579, 3545965, 3813585, 10637895, 13474667, 40424001, 67373335, 202120005]

約数ペア:

[(1, 202120005), (3, 67373335), (5, 40424001), (15, 13474667), (19, 10637895), (53, 3813585), (57, 3545965), (95, 2127579), (159, 1271195), (265, 762717), (285, 709193), (795, 254239), (1007, 200715), (3021, 66905), (5035, 40143), (13381, 15105)]