71641017

素因数分解:

$3^6\times 7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 56

約数和(自身を含む): 124864320

約数和(自身を除く): 53223303

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 101, 139, 189, 243, 303, 417, 567, 707, 729, 909, 973, 1251, 1701, 2121, 2727, 2919, 3753, 5103, 6363, 8181, 8757, 11259, 14039, 19089, 24543, 26271, 33777, 42117, 57267, 73629, 78813, 98273, 101331, 126351, 171801, 236439, 294819, 379053, 515403, 709317, 884457, 1137159, 2653371, 3411477, 7960113, 10234431, 23880339, 71641017]

約数ペア:

[(1, 71641017), (3, 23880339), (7, 10234431), (9, 7960113), (21, 3411477), (27, 2653371), (63, 1137159), (81, 884457), (101, 709317), (139, 515403), (189, 379053), (243, 294819), (303, 236439), (417, 171801), (567, 126351), (707, 101331), (729, 98273), (909, 78813), (973, 73629), (1251, 57267), (1701, 42117), (2121, 33777), (2727, 26271), (2919, 24543), (3753, 19089), (5103, 14039), (6363, 11259), (8181, 8757)]