12991153347

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{1201}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 21280736880

約数和(自身を除く): 8289583533

約数列:

[1, 3, 9, 17, 19, 51, 57, 61, 153, 171, 183, 323, 549, 969, 1037, 1159, 1201, 2907, 3111, 3477, 3603, 3721, 9333, 10431, 10809, 11163, 19703, 20417, 22819, 33489, 59109, 61251, 63257, 68457, 70699, 73261, 177327, 183753, 189771, 205371, 212097, 219783, 387923, 569313, 636291, 659349, 1163769, 1201883, 1245437, 1391959, 3491307, 3605649, 3736311, 4175877, 4468921, 10816947, 11208933, 12527631, 13406763, 23663303, 40220289, 70989909, 75971657, 84909499, 212969727, 227914971, 254728497, 683744913, 764185491, 1443461483, 4330384449, 12991153347]

約数ペア:

[(1, 12991153347), (3, 4330384449), (9, 1443461483), (17, 764185491), (19, 683744913), (51, 254728497), (57, 227914971), (61, 212969727), (153, 84909499), (171, 75971657), (183, 70989909), (323, 40220289), (549, 23663303), (969, 13406763), (1037, 12527631), (1159, 11208933), (1201, 10816947), (2907, 4468921), (3111, 4175877), (3477, 3736311), (3603, 3605649), (3721, 3491307), (9333, 1391959), (10431, 1245437), (10809, 1201883), (11163, 1163769), (19703, 659349), (20417, 636291), (22819, 569313), (33489, 387923), (59109, 219783), (61251, 212097), (63257, 205371), (68457, 189771), (70699, 183753), (73261, 177327)]