15965415

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 13687065

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 71, 95, 171, 213, 263, 285, 355, 639, 789, 855, 1065, 1315, 1349, 2367, 3195, 3945, 4047, 4997, 6745, 11835, 12141, 14991, 18673, 20235, 24985, 44973, 56019, 60705, 74955, 93365, 168057, 224865, 280095, 354787, 840285, 1064361, 1773935, 3193083, 5321805, 15965415]

約数ペア:

[(1, 15965415), (3, 5321805), (5, 3193083), (9, 1773935), (15, 1064361), (19, 840285), (45, 354787), (57, 280095), (71, 224865), (95, 168057), (171, 93365), (213, 74955), (263, 60705), (285, 56019), (355, 44973), (639, 24985), (789, 20235), (855, 18673), (1065, 14991), (1315, 12141), (1349, 11835), (2367, 6745), (3195, 4997), (3945, 4047)]