165375

素因数分解:

$3^3\times 5^3\times 7^2$

素因数の和:38

約数の個数: 48

約数和(自身を含む): 355680

約数和(自身を除く): 190305

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 125, 135, 147, 175, 189, 225, 245, 315, 375, 441, 525, 675, 735, 875, 945, 1125, 1225, 1323, 1575, 2205, 2625, 3375, 3675, 4725, 6125, 6615, 7875, 11025, 18375, 23625, 33075, 55125, 165375]

約数ペア:

[(1, 165375), (3, 55125), (5, 33075), (7, 23625), (9, 18375), (15, 11025), (21, 7875), (25, 6615), (27, 6125), (35, 4725), (45, 3675), (49, 3375), (63, 2625), (75, 2205), (105, 1575), (125, 1323), (135, 1225), (147, 1125), (175, 945), (189, 875), (225, 735), (245, 675), (315, 525), (375, 441)]