81335730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{387313}}^1$

素因数の和:387330

約数の個数: 32

約数和(自身を含む): 223092864

約数和(自身を除く): 141757134

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 387313, 774626, 1161939, 1936565, 2323878, 2711191, 3873130, 5422382, 5809695, 8133573, 11619390, 13555955, 16267146, 27111910, 40667865, 81335730]

約数ペア:

[(1, 81335730), (2, 40667865), (3, 27111910), (5, 16267146), (6, 13555955), (7, 11619390), (10, 8133573), (14, 5809695), (15, 5422382), (21, 3873130), (30, 2711191), (35, 2323878), (42, 1936565), (70, 1161939), (105, 774626), (210, 387313)]