312975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:136

約数の個数: 36

約数和(自身を含む): 609336

約数和(自身を除く): 296361

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 107, 117, 195, 225, 321, 325, 535, 585, 963, 975, 1391, 1605, 2675, 2925, 4173, 4815, 6955, 8025, 12519, 20865, 24075, 34775, 62595, 104325, 312975]

約数ペア:

[(1, 312975), (3, 104325), (5, 62595), (9, 34775), (13, 24075), (15, 20865), (25, 12519), (39, 8025), (45, 6955), (65, 4815), (75, 4173), (107, 2925), (117, 2675), (195, 1605), (225, 1391), (321, 975), (325, 963), (535, 585)]