331872786

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2707}}^1$

素因数の和:2868

約数の個数: 72

約数和(自身を含む): 842783760

約数和(自身を除く): 510910974

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 139, 147, 278, 294, 417, 441, 834, 882, 973, 1251, 1946, 2502, 2707, 2919, 5414, 5838, 6811, 8121, 8757, 13622, 16242, 17514, 18949, 20433, 24363, 37898, 40866, 48726, 56847, 61299, 113694, 122598, 132643, 170541, 265286, 341082, 376273, 397929, 752546, 795858, 1128819, 1193787, 2257638, 2387574, 2633911, 3386457, 5267822, 6772914, 7901733, 15803466, 18437377, 23705199, 36874754, 47410398, 55312131, 110624262, 165936393, 331872786]

約数ペア:

[(1, 331872786), (2, 165936393), (3, 110624262), (6, 55312131), (7, 47410398), (9, 36874754), (14, 23705199), (18, 18437377), (21, 15803466), (42, 7901733), (49, 6772914), (63, 5267822), (98, 3386457), (126, 2633911), (139, 2387574), (147, 2257638), (278, 1193787), (294, 1128819), (417, 795858), (441, 752546), (834, 397929), (882, 376273), (973, 341082), (1251, 265286), (1946, 170541), (2502, 132643), (2707, 122598), (2919, 113694), (5414, 61299), (5838, 56847), (6811, 48726), (8121, 40866), (8757, 37898), (13622, 24363), (16242, 20433), (17514, 18949)]