289557315

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73961}}^1$

素因数の和:74004

約数の個数: 32

約数和(自身を含む): 532526400

約数和(自身を除く): 242969085

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 73961, 221883, 369805, 665649, 1109415, 1996947, 2144869, 3328245, 6434607, 9984735, 10724345, 19303821, 32173035, 57911463, 96519105, 289557315]

約数ペア:

[(1, 289557315), (3, 96519105), (5, 57911463), (9, 32173035), (15, 19303821), (27, 10724345), (29, 9984735), (45, 6434607), (87, 3328245), (135, 2144869), (145, 1996947), (261, 1109415), (435, 665649), (783, 369805), (1305, 221883), (3915, 73961)]