15663885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 28926720

約数和(自身を除く): 13262835

約数列:

[1, 3, 5, 15, 17, 19, 51, 53, 57, 61, 85, 95, 159, 183, 255, 265, 285, 305, 323, 795, 901, 915, 969, 1007, 1037, 1159, 1615, 2703, 3021, 3111, 3233, 3477, 4505, 4845, 5035, 5185, 5795, 9699, 13515, 15105, 15555, 16165, 17119, 17385, 19703, 48495, 51357, 54961, 59109, 61427, 85595, 98515, 164883, 184281, 256785, 274805, 295545, 307135, 824415, 921405, 1044259, 3132777, 5221295, 15663885]

約数ペア:

[(1, 15663885), (3, 5221295), (5, 3132777), (15, 1044259), (17, 921405), (19, 824415), (51, 307135), (53, 295545), (57, 274805), (61, 256785), (85, 184281), (95, 164883), (159, 98515), (183, 85595), (255, 61427), (265, 59109), (285, 54961), (305, 51357), (323, 48495), (795, 19703), (901, 17385), (915, 17119), (969, 16165), (1007, 15555), (1037, 15105), (1159, 13515), (1615, 9699), (2703, 5795), (3021, 5185), (3111, 5035), (3233, 4845), (3477, 4505)]