201468393

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 342441216

約数和(自身を除く): 140972823

約数列:

[1, 3, 7, 9, 21, 63, 71, 73, 213, 219, 497, 511, 617, 639, 657, 1491, 1533, 1851, 4319, 4473, 4599, 5183, 5553, 12957, 15549, 36281, 38871, 43807, 45041, 46647, 108843, 131421, 135123, 306649, 315287, 326529, 394263, 405369, 919947, 945861, 2759841, 2837583, 3197911, 9593733, 22385377, 28781199, 67156131, 201468393]

約数ペア:

[(1, 201468393), (3, 67156131), (7, 28781199), (9, 22385377), (21, 9593733), (63, 3197911), (71, 2837583), (73, 2759841), (213, 945861), (219, 919947), (497, 405369), (511, 394263), (617, 326529), (639, 315287), (657, 306649), (1491, 135123), (1533, 131421), (1851, 108843), (4319, 46647), (4473, 45041), (4599, 43807), (5183, 38871), (5553, 36281), (12957, 15549)]