1284394671

素因数分解:

$3^3\times 7^1\times {\mathrm{367}}^1\times {\mathrm{18517}}^1$

素因数の和:18900

約数の個数: 32

約数和(自身を含む): 2180679680

約数和(自身を除く): 896285009

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 367, 1101, 2569, 3303, 7707, 9909, 18517, 23121, 55551, 69363, 129619, 166653, 388857, 499959, 1166571, 3499713, 6795739, 20387217, 47570173, 61161651, 142710519, 183484953, 428131557, 1284394671]

約数ペア:

[(1, 1284394671), (3, 428131557), (7, 183484953), (9, 142710519), (21, 61161651), (27, 47570173), (63, 20387217), (189, 6795739), (367, 3499713), (1101, 1166571), (2569, 499959), (3303, 388857), (7707, 166653), (9909, 129619), (18517, 69363), (23121, 55551)]