65805885

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 119845440

約数和(自身を除く): 54039555

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 131, 135, 183, 305, 393, 549, 655, 915, 1179, 1647, 1965, 2745, 3537, 3721, 5895, 7991, 8235, 11163, 17685, 18605, 23973, 33489, 39955, 55815, 71919, 100467, 119865, 167445, 215757, 359595, 487451, 502335, 1078785, 1462353, 2437255, 4387059, 7311765, 13161177, 21935295, 65805885]

約数ペア:

[(1, 65805885), (3, 21935295), (5, 13161177), (9, 7311765), (15, 4387059), (27, 2437255), (45, 1462353), (61, 1078785), (131, 502335), (135, 487451), (183, 359595), (305, 215757), (393, 167445), (549, 119865), (655, 100467), (915, 71919), (1179, 55815), (1647, 39955), (1965, 33489), (2745, 23973), (3537, 18605), (3721, 17685), (5895, 11163), (7991, 8235)]