406304829

素因数分解:

$3^4\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1787}}^1$

素因数の和:2207

約数の個数: 40

約数和(自身を含む): 695775168

約数和(自身を除く): 289470339

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 401, 567, 1203, 1787, 2807, 3609, 5361, 8421, 10827, 12509, 16083, 25263, 32481, 37527, 48249, 75789, 112581, 144747, 227367, 337743, 716587, 1013229, 2149761, 5016109, 6449283, 15048327, 19347849, 45144981, 58043547, 135434943, 406304829]

約数ペア:

[(1, 406304829), (3, 135434943), (7, 58043547), (9, 45144981), (21, 19347849), (27, 15048327), (63, 6449283), (81, 5016109), (189, 2149761), (401, 1013229), (567, 716587), (1203, 337743), (1787, 227367), (2807, 144747), (3609, 112581), (5361, 75789), (8421, 48249), (10827, 37527), (12509, 32481), (16083, 25263)]