81185475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2621}}^1$

素因数の和:2700

約数の個数: 48

約数和(自身を含む): 156061440

約数和(自身を除く): 74875965

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 59, 75, 105, 175, 177, 295, 413, 525, 885, 1239, 1475, 2065, 2621, 4425, 6195, 7863, 10325, 13105, 18347, 30975, 39315, 55041, 65525, 91735, 154639, 196575, 275205, 458675, 463917, 773195, 1082473, 1376025, 2319585, 3247419, 3865975, 5412365, 11597925, 16237095, 27061825, 81185475]

約数ペア:

[(1, 81185475), (3, 27061825), (5, 16237095), (7, 11597925), (15, 5412365), (21, 3865975), (25, 3247419), (35, 2319585), (59, 1376025), (75, 1082473), (105, 773195), (175, 463917), (177, 458675), (295, 275205), (413, 196575), (525, 154639), (885, 91735), (1239, 65525), (1475, 55041), (2065, 39315), (2621, 30975), (4425, 18347), (6195, 13105), (7863, 10325)]