16784505

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 31187520

約数和(自身を除く): 14403015

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 67, 95, 171, 201, 285, 293, 335, 603, 855, 879, 1005, 1273, 1465, 2637, 3015, 3819, 4395, 5567, 6365, 11457, 13185, 16701, 19095, 19631, 27835, 50103, 57285, 58893, 83505, 98155, 176679, 250515, 294465, 372989, 883395, 1118967, 1864945, 3356901, 5594835, 16784505]

約数ペア:

[(1, 16784505), (3, 5594835), (5, 3356901), (9, 1864945), (15, 1118967), (19, 883395), (45, 372989), (57, 294465), (67, 250515), (95, 176679), (171, 98155), (201, 83505), (285, 58893), (293, 57285), (335, 50103), (603, 27835), (855, 19631), (879, 19095), (1005, 16701), (1273, 13185), (1465, 11457), (2637, 6365), (3015, 5567), (3819, 4395)]