65306775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 120599424

約数和(自身を除く): 55292649

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 131, 255, 289, 345, 391, 393, 425, 575, 655, 867, 1173, 1275, 1445, 1725, 1955, 1965, 2227, 3013, 3275, 4335, 5865, 6647, 6681, 7225, 9039, 9775, 9825, 11135, 15065, 19941, 21675, 29325, 33235, 33405, 37859, 45195, 51221, 55675, 75325, 99705, 113577, 153663, 166175, 167025, 189295, 225975, 256105, 498525, 567885, 768315, 870757, 946475, 1280525, 2612271, 2839425, 3841575, 4353785, 13061355, 21768925, 65306775]

約数ペア:

[(1, 65306775), (3, 21768925), (5, 13061355), (15, 4353785), (17, 3841575), (23, 2839425), (25, 2612271), (51, 1280525), (69, 946475), (75, 870757), (85, 768315), (115, 567885), (131, 498525), (255, 256105), (289, 225975), (345, 189295), (391, 167025), (393, 166175), (425, 153663), (575, 113577), (655, 99705), (867, 75325), (1173, 55675), (1275, 51221), (1445, 45195), (1725, 37859), (1955, 33405), (1965, 33235), (2227, 29325), (3013, 21675), (3275, 19941), (4335, 15065), (5865, 11135), (6647, 9825), (6681, 9775), (7225, 9039)]