390976635

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{1021}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 729806112

約数和(自身を除く): 338829477

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 521, 735, 1021, 1563, 2605, 3063, 3647, 5105, 7147, 7815, 10941, 15315, 18235, 21441, 25529, 35735, 50029, 54705, 76587, 107205, 127645, 150087, 250145, 382935, 531941, 750435, 1595823, 2659705, 3723587, 7979115, 11170761, 18617935, 26065109, 55853805, 78195327, 130325545, 390976635]

約数ペア:

[(1, 390976635), (3, 130325545), (5, 78195327), (7, 55853805), (15, 26065109), (21, 18617935), (35, 11170761), (49, 7979115), (105, 3723587), (147, 2659705), (245, 1595823), (521, 750435), (735, 531941), (1021, 382935), (1563, 250145), (2605, 150087), (3063, 127645), (3647, 107205), (5105, 76587), (7147, 54705), (7815, 50029), (10941, 35735), (15315, 25529), (18235, 21441)]