16808805

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 31973760

約数和(自身を除く): 15164955

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 59, 65, 117, 177, 195, 295, 487, 531, 585, 767, 885, 1461, 2301, 2435, 2655, 3835, 4383, 6331, 6903, 7305, 11505, 18993, 21915, 28733, 31655, 34515, 56979, 86199, 94965, 143665, 258597, 284895, 373529, 430995, 1120587, 1292985, 1867645, 3361761, 5602935, 16808805]

約数ペア:

[(1, 16808805), (3, 5602935), (5, 3361761), (9, 1867645), (13, 1292985), (15, 1120587), (39, 430995), (45, 373529), (59, 284895), (65, 258597), (117, 143665), (177, 94965), (195, 86199), (295, 56979), (487, 34515), (531, 31655), (585, 28733), (767, 21915), (885, 18993), (1461, 11505), (2301, 7305), (2435, 6903), (2655, 6331), (3835, 4383)]