399291255

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{268883}}^1$

素因数の和:268908

約数の個数: 32

約数和(自身を含む): 774385920

約数和(自身を除く): 375094665

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 268883, 806649, 1344415, 2419947, 2957713, 4033245, 7259841, 8873139, 12099735, 14788565, 26619417, 36299205, 44365695, 79858251, 133097085, 399291255]

約数ペア:

[(1, 399291255), (3, 133097085), (5, 79858251), (9, 44365695), (11, 36299205), (15, 26619417), (27, 14788565), (33, 12099735), (45, 8873139), (55, 7259841), (99, 4033245), (135, 2957713), (165, 2419947), (297, 1344415), (495, 806649), (1485, 268883)]