13800115

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 21012480

約数和(自身を除く): 7212365

約数列:

[1, 5, 7, 23, 31, 35, 49, 79, 115, 155, 161, 217, 245, 395, 553, 713, 805, 1085, 1127, 1519, 1817, 2449, 2765, 3565, 3871, 4991, 5635, 7595, 9085, 12245, 12719, 17143, 19355, 24955, 34937, 56327, 63595, 85715, 89033, 120001, 174685, 281635, 394289, 445165, 600005, 1971445, 2760023, 13800115]

約数ペア:

[(1, 13800115), (5, 2760023), (7, 1971445), (23, 600005), (31, 445165), (35, 394289), (49, 281635), (79, 174685), (115, 120001), (155, 89033), (161, 85715), (217, 63595), (245, 56327), (395, 34937), (553, 24955), (713, 19355), (805, 17143), (1085, 12719), (1127, 12245), (1519, 9085), (1817, 7595), (2449, 5635), (2765, 4991), (3565, 3871)]