16505385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 30357504

約数和(自身を除く): 13852119

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 169, 195, 221, 255, 383, 507, 663, 845, 1105, 1149, 1915, 2535, 2873, 3315, 4979, 5745, 6511, 8619, 14365, 14937, 19533, 24895, 32555, 43095, 64727, 74685, 84643, 97665, 194181, 253929, 323635, 423215, 970905, 1100359, 1269645, 3301077, 5501795, 16505385]

約数ペア:

[(1, 16505385), (3, 5501795), (5, 3301077), (13, 1269645), (15, 1100359), (17, 970905), (39, 423215), (51, 323635), (65, 253929), (85, 194181), (169, 97665), (195, 84643), (221, 74685), (255, 64727), (383, 43095), (507, 32555), (663, 24895), (845, 19533), (1105, 14937), (1149, 14365), (1915, 8619), (2535, 6511), (2873, 5745), (3315, 4979)]