400744395

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{56009}}^1$

素因数の和:56076

約数の個数: 32

約数和(自身を含む): 725889600

約数和(自身を除く): 325145205

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 7155, 56009, 168027, 280045, 504081, 840135, 1512243, 2520405, 2968477, 7561215, 8905431, 14842385, 26716293, 44527155, 80148879, 133581465, 400744395]

約数ペア:

[(1, 400744395), (3, 133581465), (5, 80148879), (9, 44527155), (15, 26716293), (27, 14842385), (45, 8905431), (53, 7561215), (135, 2968477), (159, 2520405), (265, 1512243), (477, 840135), (795, 504081), (1431, 280045), (2385, 168027), (7155, 56009)]