2180655

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 4017600

約数和(自身を除く): 1836945

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 557, 783, 1305, 1671, 2785, 3915, 5013, 8355, 15039, 16153, 25065, 48459, 75195, 80765, 145377, 242295, 436131, 726885, 2180655]

約数ペア:

[(1, 2180655), (3, 726885), (5, 436131), (9, 242295), (15, 145377), (27, 80765), (29, 75195), (45, 48459), (87, 25065), (135, 16153), (145, 15039), (261, 8355), (435, 5013), (557, 3915), (783, 2785), (1305, 1671)]