381471279

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{1667}}^1$

素因数の和:2335

約数の個数: 32

約数和(自身を含む): 616813056

約数和(自身を除く): 235341777

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 641, 1667, 1923, 4487, 5001, 10897, 11669, 13461, 28339, 32691, 35007, 76279, 85017, 198373, 228837, 595119, 1068547, 3205641, 7479829, 18165299, 22439487, 54495897, 127157093, 381471279]

約数ペア:

[(1, 381471279), (3, 127157093), (7, 54495897), (17, 22439487), (21, 18165299), (51, 7479829), (119, 3205641), (357, 1068547), (641, 595119), (1667, 228837), (1923, 198373), (4487, 85017), (5001, 76279), (10897, 35007), (11669, 32691), (13461, 28339)]