13890615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 25712640

約数和(自身を除く): 11822025

約数列:

[1, 3, 5, 15, 17, 19, 47, 51, 57, 61, 85, 95, 141, 183, 235, 255, 285, 305, 323, 705, 799, 893, 915, 969, 1037, 1159, 1615, 2397, 2679, 2867, 3111, 3477, 3995, 4465, 4845, 5185, 5795, 8601, 11985, 13395, 14335, 15181, 15555, 17385, 19703, 43005, 45543, 48739, 54473, 59109, 75905, 98515, 146217, 163419, 227715, 243695, 272365, 295545, 731085, 817095, 926041, 2778123, 4630205, 13890615]

約数ペア:

[(1, 13890615), (3, 4630205), (5, 2778123), (15, 926041), (17, 817095), (19, 731085), (47, 295545), (51, 272365), (57, 243695), (61, 227715), (85, 163419), (95, 146217), (141, 98515), (183, 75905), (235, 59109), (255, 54473), (285, 48739), (305, 45543), (323, 43005), (705, 19703), (799, 17385), (893, 15555), (915, 15181), (969, 14335), (1037, 13395), (1159, 11985), (1615, 8601), (2397, 5795), (2679, 5185), (2867, 4845), (3111, 4465), (3477, 3995)]