681993

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:118

約数の個数: 32

約数和(自身を含む): 1142400

約数和(自身を除く): 460407

約数列:

[1, 3, 9, 13, 27, 29, 39, 67, 87, 117, 201, 261, 351, 377, 603, 783, 871, 1131, 1809, 1943, 2613, 3393, 5829, 7839, 10179, 17487, 23517, 25259, 52461, 75777, 227331, 681993]

約数ペア:

[(1, 681993), (3, 227331), (9, 75777), (13, 52461), (27, 25259), (29, 23517), (39, 17487), (67, 10179), (87, 7839), (117, 5829), (201, 3393), (261, 2613), (351, 1943), (377, 1809), (603, 1131), (783, 871)]