64736325

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{797}}^1$

素因数の和:851

約数の個数: 54

約数和(自身を含む): 122527314

約数和(自身を除く): 57790989

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 361, 475, 797, 855, 1083, 1425, 1805, 2391, 3249, 3985, 4275, 5415, 7173, 9025, 11955, 15143, 16245, 19925, 27075, 35865, 45429, 59775, 75715, 81225, 136287, 179325, 227145, 287717, 378575, 681435, 863151, 1135725, 1438585, 2589453, 3407175, 4315755, 7192925, 12947265, 21578775, 64736325]

約数ペア:

[(1, 64736325), (3, 21578775), (5, 12947265), (9, 7192925), (15, 4315755), (19, 3407175), (25, 2589453), (45, 1438585), (57, 1135725), (75, 863151), (95, 681435), (171, 378575), (225, 287717), (285, 227145), (361, 179325), (475, 136287), (797, 81225), (855, 75715), (1083, 59775), (1425, 45429), (1805, 35865), (2391, 27075), (3249, 19925), (3985, 16245), (4275, 15143), (5415, 11955), (7173, 9025)]