80941815

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{9829}}^1$

素因数の和:9904

約数の個数: 32

約数和(自身を含む): 146270400

約数和(自身を除く): 65328585

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235, 9829, 29487, 49145, 88461, 147435, 265383, 442305, 599569, 1326915, 1798707, 2997845, 5396121, 8993535, 16188363, 26980605, 80941815]

約数ペア:

[(1, 80941815), (3, 26980605), (5, 16188363), (9, 8993535), (15, 5396121), (27, 2997845), (45, 1798707), (61, 1326915), (135, 599569), (183, 442305), (305, 265383), (549, 147435), (915, 88461), (1647, 49145), (2745, 29487), (8235, 9829)]