289397715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{2621}}^1$

素因数の和:3079

約数の個数: 32

約数和(自身を含む): 491593536

約数和(自身を除く): 202195821

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 433, 1299, 2165, 2621, 6495, 7361, 7863, 13105, 22083, 36805, 39315, 44557, 110415, 133671, 222785, 668355, 1134893, 3404679, 5674465, 17023395, 19293181, 57879543, 96465905, 289397715]

約数ペア:

[(1, 289397715), (3, 96465905), (5, 57879543), (15, 19293181), (17, 17023395), (51, 5674465), (85, 3404679), (255, 1134893), (433, 668355), (1299, 222785), (2165, 133671), (2621, 110415), (6495, 44557), (7361, 39315), (7863, 36805), (13105, 22083)]