890255079

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 1561079520

約数和(自身を除く): 670824441

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 151, 203, 261, 441, 453, 461, 609, 1057, 1359, 1383, 1421, 1827, 3171, 3227, 4149, 4263, 4379, 7399, 9513, 9681, 12789, 13137, 13369, 22197, 22589, 29043, 30653, 39411, 40107, 66591, 67767, 69611, 91959, 93583, 120321, 203301, 208833, 214571, 275877, 280749, 487277, 626499, 643713, 655081, 842247, 1461831, 1931139, 1965243, 2018719, 3410939, 4385493, 5895729, 6056157, 10232817, 14131033, 18168471, 30698451, 42393099, 98917231, 127179297, 296751693, 890255079]

約数ペア:

[(1, 890255079), (3, 296751693), (7, 127179297), (9, 98917231), (21, 42393099), (29, 30698451), (49, 18168471), (63, 14131033), (87, 10232817), (147, 6056157), (151, 5895729), (203, 4385493), (261, 3410939), (441, 2018719), (453, 1965243), (461, 1931139), (609, 1461831), (1057, 842247), (1359, 655081), (1383, 643713), (1421, 626499), (1827, 487277), (3171, 280749), (3227, 275877), (4149, 214571), (4263, 208833), (4379, 203301), (7399, 120321), (9513, 93583), (9681, 91959), (12789, 69611), (13137, 67767), (13369, 66591), (22197, 40107), (22589, 39411), (29043, 30653)]