209077407

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{17747}}^1$

素因数の和:17788

約数の個数: 48

約数和(自身を含む): 398691072

約数和(自身を除く): 189613665

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1683, 3927, 11781, 17747, 53241, 124229, 159723, 195217, 301699, 372687, 585651, 905097, 1118061, 1366519, 1756953, 2111893, 2715291, 3318689, 4099557, 6335679, 9956067, 12298671, 19007037, 23230823, 29868201, 69692469, 209077407]

約数ペア:

[(1, 209077407), (3, 69692469), (7, 29868201), (9, 23230823), (11, 19007037), (17, 12298671), (21, 9956067), (33, 6335679), (51, 4099557), (63, 3318689), (77, 2715291), (99, 2111893), (119, 1756953), (153, 1366519), (187, 1118061), (231, 905097), (357, 585651), (561, 372687), (693, 301699), (1071, 195217), (1309, 159723), (1683, 124229), (3927, 53241), (11781, 17747)]