399551415

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{2647}}^1$

素因数の和:3031

約数の個数: 32

約数和(自身を含む): 663482880

約数和(自身を除く): 263931465

約数列:

[1, 3, 5, 15, 29, 87, 145, 347, 435, 1041, 1735, 2647, 5205, 7941, 10063, 13235, 30189, 39705, 50315, 76763, 150945, 230289, 383815, 918509, 1151445, 2755527, 4592545, 13777635, 26636761, 79910283, 133183805, 399551415]

約数ペア:

[(1, 399551415), (3, 133183805), (5, 79910283), (15, 26636761), (29, 13777635), (87, 4592545), (145, 2755527), (347, 1151445), (435, 918509), (1041, 383815), (1735, 230289), (2647, 150945), (5205, 76763), (7941, 50315), (10063, 39705), (13235, 30189)]