313638759

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 545790960

約数和(自身を除く): 232152201

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 89, 131, 147, 183, 267, 393, 427, 441, 549, 623, 801, 917, 1179, 1281, 1869, 2751, 2989, 3843, 4361, 5429, 5607, 6419, 7991, 8253, 8967, 11659, 13083, 16287, 19257, 23973, 26901, 34977, 38003, 39249, 48861, 55937, 57771, 71919, 81613, 104931, 114009, 167811, 244839, 266021, 342027, 391559, 503433, 571291, 711199, 734517, 798063, 1174677, 1713873, 2133597, 2394189, 3524031, 4978393, 5141619, 6400791, 14935179, 34848751, 44805537, 104546253, 313638759]

約数ペア:

[(1, 313638759), (3, 104546253), (7, 44805537), (9, 34848751), (21, 14935179), (49, 6400791), (61, 5141619), (63, 4978393), (89, 3524031), (131, 2394189), (147, 2133597), (183, 1713873), (267, 1174677), (393, 798063), (427, 734517), (441, 711199), (549, 571291), (623, 503433), (801, 391559), (917, 342027), (1179, 266021), (1281, 244839), (1869, 167811), (2751, 114009), (2989, 104931), (3843, 81613), (4361, 71919), (5429, 57771), (5607, 55937), (6419, 48861), (7991, 39249), (8253, 38003), (8967, 34977), (11659, 26901), (13083, 23973), (16287, 19257)]