642730005

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3019}}^1$

素因数の和:3135

約数の個数: 64

約数和(自身を含む): 1217664000

約数和(自身を除く): 574933995

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 83, 95, 135, 171, 249, 285, 415, 513, 747, 855, 1245, 1577, 2241, 2565, 3019, 3735, 4731, 7885, 9057, 11205, 14193, 15095, 23655, 27171, 42579, 45285, 57361, 70965, 81513, 135855, 172083, 212895, 250577, 286805, 407565, 516249, 751731, 860415, 1252885, 1548747, 2255193, 2581245, 3758655, 4760963, 6765579, 7743735, 11275965, 14282889, 23804815, 33827895, 42848667, 71414445, 128546001, 214243335, 642730005]

約数ペア:

[(1, 642730005), (3, 214243335), (5, 128546001), (9, 71414445), (15, 42848667), (19, 33827895), (27, 23804815), (45, 14282889), (57, 11275965), (83, 7743735), (95, 6765579), (135, 4760963), (171, 3758655), (249, 2581245), (285, 2255193), (415, 1548747), (513, 1252885), (747, 860415), (855, 751731), (1245, 516249), (1577, 407565), (2241, 286805), (2565, 250577), (3019, 212895), (3735, 172083), (4731, 135855), (7885, 81513), (9057, 70965), (11205, 57361), (14193, 45285), (15095, 42579), (23655, 27171)]