16619775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 29462400

約数和(自身を除く): 12842625

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 107, 109, 285, 321, 327, 475, 535, 545, 1425, 1605, 1635, 2033, 2071, 2675, 2725, 6099, 6213, 8025, 8175, 10165, 10355, 11663, 30495, 31065, 34989, 50825, 51775, 58315, 152475, 155325, 174945, 221597, 291575, 664791, 874725, 1107985, 3323955, 5539925, 16619775]

約数ペア:

[(1, 16619775), (3, 5539925), (5, 3323955), (15, 1107985), (19, 874725), (25, 664791), (57, 291575), (75, 221597), (95, 174945), (107, 155325), (109, 152475), (285, 58315), (321, 51775), (327, 50825), (475, 34989), (535, 31065), (545, 30495), (1425, 11663), (1605, 10355), (1635, 10165), (2033, 8175), (2071, 8025), (2675, 6213), (2725, 6099)]