15639525

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 31337280

約数和(自身を除く): 15697755

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 71, 75, 89, 99, 165, 213, 225, 267, 275, 355, 445, 495, 639, 781, 801, 825, 979, 1065, 1335, 1775, 2225, 2343, 2475, 2937, 3195, 3905, 4005, 4895, 5325, 6319, 6675, 7029, 8811, 11715, 14685, 15975, 18957, 19525, 20025, 24475, 31595, 35145, 44055, 56871, 58575, 69509, 73425, 94785, 157975, 175725, 208527, 220275, 284355, 347545, 473925, 625581, 1042635, 1421775, 1737725, 3127905, 5213175, 15639525]

約数ペア:

[(1, 15639525), (3, 5213175), (5, 3127905), (9, 1737725), (11, 1421775), (15, 1042635), (25, 625581), (33, 473925), (45, 347545), (55, 284355), (71, 220275), (75, 208527), (89, 175725), (99, 157975), (165, 94785), (213, 73425), (225, 69509), (267, 58575), (275, 56871), (355, 44055), (445, 35145), (495, 31595), (639, 24475), (781, 20025), (801, 19525), (825, 18957), (979, 15975), (1065, 14685), (1335, 11715), (1775, 8811), (2225, 7029), (2343, 6675), (2475, 6319), (2937, 5325), (3195, 4895), (3905, 4005)]