218612667

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 368229120

約数和(自身を除く): 149616453

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 139, 147, 273, 417, 637, 823, 973, 1807, 1911, 2469, 2919, 5421, 5761, 6811, 10699, 12649, 17283, 20433, 32097, 37947, 40327, 74893, 88543, 114397, 120981, 224679, 265629, 343191, 524251, 800779, 1487161, 1572753, 2402337, 4461483, 5605453, 10410127, 16816359, 31230381, 72870889, 218612667]

約数ペア:

[(1, 218612667), (3, 72870889), (7, 31230381), (13, 16816359), (21, 10410127), (39, 5605453), (49, 4461483), (91, 2402337), (139, 1572753), (147, 1487161), (273, 800779), (417, 524251), (637, 343191), (823, 265629), (973, 224679), (1807, 120981), (1911, 114397), (2469, 88543), (2919, 74893), (5421, 40327), (5761, 37947), (6811, 32097), (10699, 20433), (12649, 17283)]