920805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 1638144

約数和(自身を除く): 717339

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 157, 255, 345, 391, 471, 785, 1173, 1955, 2355, 2669, 3611, 5865, 8007, 10833, 13345, 18055, 40035, 54165, 61387, 184161, 306935, 920805]

約数ペア:

[(1, 920805), (3, 306935), (5, 184161), (15, 61387), (17, 54165), (23, 40035), (51, 18055), (69, 13345), (85, 10833), (115, 8007), (157, 5865), (255, 3611), (345, 2669), (391, 2355), (471, 1955), (785, 1173)]