306875385

素因数分解:

$3^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1327}}^1$

素因数の和:1915

約数の個数: 40

約数和(自身を含む): 551481216

約数和(自身を除く): 244605831

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 571, 1327, 1713, 2855, 3981, 5139, 6635, 8565, 11943, 15417, 19905, 25695, 35829, 46251, 59715, 77085, 107487, 179145, 231255, 537435, 757717, 2273151, 3788585, 6819453, 11365755, 20458359, 34097265, 61375077, 102291795, 306875385]

約数ペア:

[(1, 306875385), (3, 102291795), (5, 61375077), (9, 34097265), (15, 20458359), (27, 11365755), (45, 6819453), (81, 3788585), (135, 2273151), (405, 757717), (571, 537435), (1327, 231255), (1713, 179145), (2855, 107487), (3981, 77085), (5139, 59715), (6635, 46251), (8565, 35829), (11943, 25695), (15417, 19905)]