394875

素因数分解:

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

素因数の和:43

約数の個数: 48

約数和(自身を含む): 794976

約数和(自身を除く): 400101

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 125, 135, 195, 225, 243, 325, 351, 375, 405, 585, 675, 975, 1053, 1125, 1215, 1625, 1755, 2025, 2925, 3159, 3375, 4875, 5265, 6075, 8775, 10125, 14625, 15795, 26325, 30375, 43875, 78975, 131625, 394875]

約数ペア:

[(1, 394875), (3, 131625), (5, 78975), (9, 43875), (13, 30375), (15, 26325), (25, 15795), (27, 14625), (39, 10125), (45, 8775), (65, 6075), (75, 5265), (81, 4875), (117, 3375), (125, 3159), (135, 2925), (195, 2025), (225, 1755), (243, 1625), (325, 1215), (351, 1125), (375, 1053), (405, 975), (585, 675)]