78975

素因数分解:

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

素因数の和:38

約数の個数: 36

約数和(自身を含む): 157976

約数和(自身を除く): 79001

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 243, 325, 351, 405, 585, 675, 975, 1053, 1215, 1755, 2025, 2925, 3159, 5265, 6075, 8775, 15795, 26325, 78975]

約数ペア:

[(1, 78975), (3, 26325), (5, 15795), (9, 8775), (13, 6075), (15, 5265), (25, 3159), (27, 2925), (39, 2025), (45, 1755), (65, 1215), (75, 1053), (81, 975), (117, 675), (135, 585), (195, 405), (225, 351), (243, 325)]