208855845

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 406407456

約数和(自身を除く): 197551611

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 123, 165, 205, 251, 369, 451, 495, 615, 753, 1255, 1353, 1681, 1845, 2255, 2259, 2761, 3765, 4059, 5043, 6765, 8283, 8405, 10291, 11295, 13805, 15129, 18491, 20295, 24849, 25215, 30873, 41415, 51455, 55473, 75645, 92455, 92619, 113201, 124245, 154365, 166419, 277365, 339603, 421931, 463095, 566005, 832095, 1018809, 1265793, 1698015, 2109655, 3797379, 4641241, 5094045, 6328965, 13923723, 18986895, 23206205, 41771169, 69618615, 208855845]

約数ペア:

[(1, 208855845), (3, 69618615), (5, 41771169), (9, 23206205), (11, 18986895), (15, 13923723), (33, 6328965), (41, 5094045), (45, 4641241), (55, 3797379), (99, 2109655), (123, 1698015), (165, 1265793), (205, 1018809), (251, 832095), (369, 566005), (451, 463095), (495, 421931), (615, 339603), (753, 277365), (1255, 166419), (1353, 154365), (1681, 124245), (1845, 113201), (2255, 92619), (2259, 92455), (2761, 75645), (3765, 55473), (4059, 51455), (5043, 41415), (6765, 30873), (8283, 25215), (8405, 24849), (10291, 20295), (11295, 18491), (13805, 15129)]