87577215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 163233792

約数和(自身を除く): 75656577

約数列:

[1, 3, 5, 11, 15, 23, 33, 47, 55, 69, 115, 141, 165, 235, 253, 345, 491, 517, 705, 759, 1081, 1265, 1473, 1551, 2455, 2585, 3243, 3795, 5401, 5405, 7365, 7755, 11293, 11891, 16203, 16215, 23077, 27005, 33879, 35673, 56465, 59455, 69231, 81015, 115385, 124223, 169395, 178365, 253847, 346155, 372669, 530771, 621115, 761541, 1269235, 1592313, 1863345, 2653855, 3807705, 5838481, 7961565, 17515443, 29192405, 87577215]

約数ペア:

[(1, 87577215), (3, 29192405), (5, 17515443), (11, 7961565), (15, 5838481), (23, 3807705), (33, 2653855), (47, 1863345), (55, 1592313), (69, 1269235), (115, 761541), (141, 621115), (165, 530771), (235, 372669), (253, 346155), (345, 253847), (491, 178365), (517, 169395), (705, 124223), (759, 115385), (1081, 81015), (1265, 69231), (1473, 59455), (1551, 56465), (2455, 35673), (2585, 33879), (3243, 27005), (3795, 23077), (5401, 16215), (5405, 16203), (7365, 11891), (7755, 11293)]