61517985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 109282176

約数和(自身を除く): 47764191

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 289, 345, 391, 617, 867, 1173, 1445, 1851, 1955, 3085, 4335, 5865, 6647, 9255, 10489, 14191, 19941, 31467, 33235, 42573, 52445, 70955, 99705, 157335, 178313, 212865, 241247, 534939, 723741, 891565, 1206235, 2674695, 3618705, 4101199, 12303597, 20505995, 61517985]

約数ペア:

[(1, 61517985), (3, 20505995), (5, 12303597), (15, 4101199), (17, 3618705), (23, 2674695), (51, 1206235), (69, 891565), (85, 723741), (115, 534939), (255, 241247), (289, 212865), (345, 178313), (391, 157335), (617, 99705), (867, 70955), (1173, 52445), (1445, 42573), (1851, 33235), (1955, 31467), (3085, 19941), (4335, 14191), (5865, 10489), (6647, 9255)]