81192645

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 152985600

約数和(自身を除く): 71792955

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 79, 115, 135, 207, 237, 331, 345, 395, 621, 711, 993, 1035, 1185, 1655, 1817, 2133, 2979, 3105, 3555, 4965, 5451, 7613, 8937, 9085, 10665, 14895, 16353, 22839, 26149, 27255, 38065, 44685, 49059, 68517, 78447, 81765, 114195, 130745, 205551, 235341, 245295, 342585, 392235, 601427, 706023, 1027755, 1176705, 1804281, 3007135, 3530115, 5412843, 9021405, 16238529, 27064215, 81192645]

約数ペア:

[(1, 81192645), (3, 27064215), (5, 16238529), (9, 9021405), (15, 5412843), (23, 3530115), (27, 3007135), (45, 1804281), (69, 1176705), (79, 1027755), (115, 706023), (135, 601427), (207, 392235), (237, 342585), (331, 245295), (345, 235341), (395, 205551), (621, 130745), (711, 114195), (993, 81765), (1035, 78447), (1185, 68517), (1655, 49059), (1817, 44685), (2133, 38065), (2979, 27255), (3105, 26149), (3555, 22839), (4965, 16353), (5451, 14895), (7613, 10665), (8937, 9085)]