27278055

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 28741545

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 89, 105, 139, 147, 245, 267, 315, 417, 441, 445, 623, 695, 735, 801, 973, 1251, 1335, 1869, 2085, 2205, 2919, 3115, 4005, 4361, 4865, 5607, 6255, 6811, 8757, 9345, 12371, 13083, 14595, 20433, 21805, 28035, 34055, 37113, 39249, 43785, 61299, 61855, 65415, 86597, 102165, 111339, 185565, 196245, 259791, 306495, 432985, 556695, 606179, 779373, 1298955, 1818537, 3030895, 3896865, 5455611, 9092685, 27278055]

約数ペア:

[(1, 27278055), (3, 9092685), (5, 5455611), (7, 3896865), (9, 3030895), (15, 1818537), (21, 1298955), (35, 779373), (45, 606179), (49, 556695), (63, 432985), (89, 306495), (105, 259791), (139, 196245), (147, 185565), (245, 111339), (267, 102165), (315, 86597), (417, 65415), (441, 61855), (445, 61299), (623, 43785), (695, 39249), (735, 37113), (801, 34055), (973, 28035), (1251, 21805), (1335, 20433), (1869, 14595), (2085, 13083), (2205, 12371), (2919, 9345), (3115, 8757), (4005, 6811), (4361, 6255), (4865, 5607)]