208502415

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1061}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 395624736

約数和(自身を除く): 187122321

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 397, 495, 1061, 1191, 1985, 3183, 3573, 4367, 5305, 5955, 9549, 11671, 13101, 15915, 17865, 21835, 35013, 39303, 47745, 58355, 65505, 105039, 175065, 196515, 421217, 525195, 1263651, 2106085, 3790953, 4633387, 6318255, 13900161, 18954765, 23166935, 41700483, 69500805, 208502415]

約数ペア:

[(1, 208502415), (3, 69500805), (5, 41700483), (9, 23166935), (11, 18954765), (15, 13900161), (33, 6318255), (45, 4633387), (55, 3790953), (99, 2106085), (165, 1263651), (397, 525195), (495, 421217), (1061, 196515), (1191, 175065), (1985, 105039), (3183, 65505), (3573, 58355), (4367, 47745), (5305, 39303), (5955, 35013), (9549, 21835), (11671, 17865), (13101, 15915)]