2189475

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 36

約数和(自身を含む): 4042896

約数和(自身を除く): 1853421

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 263, 333, 555, 789, 925, 1315, 1665, 2367, 2775, 3945, 6575, 8325, 9731, 11835, 19725, 29193, 48655, 59175, 87579, 145965, 243275, 437895, 729825, 2189475]

約数ペア:

[(1, 2189475), (3, 729825), (5, 437895), (9, 243275), (15, 145965), (25, 87579), (37, 59175), (45, 48655), (75, 29193), (111, 19725), (185, 11835), (225, 9731), (263, 8325), (333, 6575), (555, 3945), (789, 2775), (925, 2367), (1315, 1665)]