71319255

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5107}}^1$

素因数の和:5148

約数の個数: 48

約数和(自身を含む): 139754880

約数和(自身を除く): 68435625

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 5107, 13965, 15321, 25535, 35749, 76605, 97033, 107247, 178745, 250243, 291099, 485165, 536235, 679231, 750729, 1251215, 1455495, 2037693, 3396155, 3753645, 4754617, 10188465, 14263851, 23773085, 71319255]

約数ペア:

[(1, 71319255), (3, 23773085), (5, 14263851), (7, 10188465), (15, 4754617), (19, 3753645), (21, 3396155), (35, 2037693), (49, 1455495), (57, 1251215), (95, 750729), (105, 679231), (133, 536235), (147, 485165), (245, 291099), (285, 250243), (399, 178745), (665, 107247), (735, 97033), (931, 76605), (1995, 35749), (2793, 25535), (4655, 15321), (5107, 13965)]