8215155

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 16343040

約数和(自身を除く): 8127885

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 93, 117, 135, 151, 155, 195, 279, 351, 403, 453, 465, 585, 755, 837, 1209, 1359, 1395, 1755, 1963, 2015, 2265, 3627, 4077, 4185, 4681, 5889, 6045, 6795, 9815, 10881, 14043, 17667, 18135, 20385, 23405, 29445, 42129, 53001, 54405, 60853, 70215, 88335, 126387, 182559, 210645, 265005, 304265, 547677, 631935, 912795, 1643031, 2738385, 8215155]

約数ペア:

[(1, 8215155), (3, 2738385), (5, 1643031), (9, 912795), (13, 631935), (15, 547677), (27, 304265), (31, 265005), (39, 210645), (45, 182559), (65, 126387), (93, 88335), (117, 70215), (135, 60853), (151, 54405), (155, 53001), (195, 42129), (279, 29445), (351, 23405), (403, 20385), (453, 18135), (465, 17667), (585, 14043), (755, 10881), (837, 9815), (1209, 6795), (1359, 6045), (1395, 5889), (1755, 4681), (1963, 4185), (2015, 4077), (2265, 3627)]