65550051

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 113201088

約数和(自身を除く): 47651037

約数列:

[1, 3, 7, 9, 21, 37, 61, 63, 111, 183, 259, 333, 427, 461, 549, 777, 1281, 1383, 2257, 2331, 3227, 3843, 4149, 6771, 9681, 15799, 17057, 20313, 28121, 29043, 47397, 51171, 84363, 119399, 142191, 153513, 196847, 253089, 358197, 590541, 1040477, 1074591, 1771623, 3121431, 7283339, 9364293, 21850017, 65550051]

約数ペア:

[(1, 65550051), (3, 21850017), (7, 9364293), (9, 7283339), (21, 3121431), (37, 1771623), (61, 1074591), (63, 1040477), (111, 590541), (183, 358197), (259, 253089), (333, 196847), (427, 153513), (461, 142191), (549, 119399), (777, 84363), (1281, 51171), (1383, 47397), (2257, 29043), (2331, 28121), (3227, 20313), (3843, 17057), (4149, 15799), (6771, 9681)]