1597725

素因数分解:

$3^5\times 5^2\times {\mathrm{263}}^1$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 2978976

約数和(自身を除く): 1381251

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 263, 405, 675, 789, 1215, 1315, 2025, 2367, 3945, 6075, 6575, 7101, 11835, 19725, 21303, 35505, 59175, 63909, 106515, 177525, 319545, 532575, 1597725]

約数ペア:

[(1, 1597725), (3, 532575), (5, 319545), (9, 177525), (15, 106515), (25, 63909), (27, 59175), (45, 35505), (75, 21303), (81, 19725), (135, 11835), (225, 7101), (243, 6575), (263, 6075), (405, 3945), (675, 2367), (789, 2025), (1215, 1315)]