28904301

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 47586240

約数和(自身を除く): 18681939

約数列:

[1, 3, 9, 17, 19, 51, 57, 61, 153, 163, 171, 183, 323, 489, 549, 969, 1037, 1159, 1467, 2771, 2907, 3097, 3111, 3477, 8313, 9291, 9333, 9943, 10431, 19703, 24939, 27873, 29829, 52649, 59109, 89487, 157947, 169031, 177327, 188917, 473841, 507093, 566751, 1521279, 1700253, 3211589, 9634767, 28904301]

約数ペア:

[(1, 28904301), (3, 9634767), (9, 3211589), (17, 1700253), (19, 1521279), (51, 566751), (57, 507093), (61, 473841), (153, 188917), (163, 177327), (171, 169031), (183, 157947), (323, 89487), (489, 59109), (549, 52649), (969, 29829), (1037, 27873), (1159, 24939), (1467, 19703), (2771, 10431), (2907, 9943), (3097, 9333), (3111, 9291), (3477, 8313)]