81111915

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 152340480

約数和(自身を除く): 71228565

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 151, 173, 207, 345, 453, 519, 621, 755, 865, 1035, 1359, 1557, 2265, 2595, 3105, 3473, 3979, 4077, 4671, 6795, 7785, 10419, 11937, 17365, 19895, 20385, 23355, 26123, 31257, 35811, 52095, 59685, 78369, 93771, 107433, 130615, 156285, 179055, 235107, 391845, 468855, 537165, 600829, 705321, 1175535, 1802487, 3004145, 3526605, 5407461, 9012435, 16222383, 27037305, 81111915]

約数ペア:

[(1, 81111915), (3, 27037305), (5, 16222383), (9, 9012435), (15, 5407461), (23, 3526605), (27, 3004145), (45, 1802487), (69, 1175535), (115, 705321), (135, 600829), (151, 537165), (173, 468855), (207, 391845), (345, 235107), (453, 179055), (519, 156285), (621, 130615), (755, 107433), (865, 93771), (1035, 78369), (1359, 59685), (1557, 52095), (2265, 35811), (2595, 31257), (3105, 26123), (3473, 23355), (3979, 20385), (4077, 19895), (4671, 17365), (6795, 11937), (7785, 10419)]