1231517287

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 1741759488

約数和(自身を除く): 510242201

約数列:

[1, 7, 11, 13, 37, 41, 77, 91, 143, 259, 287, 407, 451, 481, 533, 811, 1001, 1517, 2849, 3157, 3367, 3731, 5291, 5677, 5863, 8921, 10543, 10619, 16687, 19721, 30007, 33251, 37037, 41041, 62447, 73801, 115973, 116809, 138047, 210049, 216931, 232757, 330077, 365761, 390091, 432263, 811811, 1230287, 1518517, 2310539, 2560327, 2730637, 3025841, 4291001, 4754893, 8612009, 13533157, 15993731, 30037007, 33284251, 94732099, 111956117, 175931041, 1231517287]

約数ペア:

[(1, 1231517287), (7, 175931041), (11, 111956117), (13, 94732099), (37, 33284251), (41, 30037007), (77, 15993731), (91, 13533157), (143, 8612009), (259, 4754893), (287, 4291001), (407, 3025841), (451, 2730637), (481, 2560327), (533, 2310539), (811, 1518517), (1001, 1230287), (1517, 811811), (2849, 432263), (3157, 390091), (3367, 365761), (3731, 330077), (5291, 232757), (5677, 216931), (5863, 210049), (8921, 138047), (10543, 116809), (10619, 115973), (16687, 73801), (19721, 62447), (30007, 41041), (33251, 37037)]