71054775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1511}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 146240640

約数和(自身を除く): 75185865

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 165, 171, 209, 225, 275, 285, 475, 495, 627, 825, 855, 1045, 1425, 1511, 1881, 2475, 3135, 4275, 4533, 5225, 7555, 9405, 13599, 15675, 16621, 22665, 28709, 37775, 47025, 49863, 67995, 83105, 86127, 113325, 143545, 149589, 249315, 258381, 315799, 339975, 415525, 430635, 717725, 747945, 947397, 1246575, 1291905, 1578995, 2153175, 2842191, 3739725, 4736985, 6459525, 7894975, 14210955, 23684925, 71054775]

約数ペア:

[(1, 71054775), (3, 23684925), (5, 14210955), (9, 7894975), (11, 6459525), (15, 4736985), (19, 3739725), (25, 2842191), (33, 2153175), (45, 1578995), (55, 1291905), (57, 1246575), (75, 947397), (95, 747945), (99, 717725), (165, 430635), (171, 415525), (209, 339975), (225, 315799), (275, 258381), (285, 249315), (475, 149589), (495, 143545), (627, 113325), (825, 86127), (855, 83105), (1045, 67995), (1425, 49863), (1511, 47025), (1881, 37775), (2475, 28709), (3135, 22665), (4275, 16621), (4533, 15675), (5225, 13599), (7555, 9405)]