81312138

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 180251136

約数和(自身を除く): 98938998

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 191, 201, 353, 382, 402, 573, 603, 706, 1059, 1146, 1206, 1719, 2118, 3177, 3438, 6354, 12797, 23651, 25594, 38391, 47302, 67423, 70953, 76782, 115173, 134846, 141906, 202269, 212859, 230346, 404538, 425718, 606807, 1213614, 4517341, 9034682, 13552023, 27104046, 40656069, 81312138]

約数ペア:

[(1, 81312138), (2, 40656069), (3, 27104046), (6, 13552023), (9, 9034682), (18, 4517341), (67, 1213614), (134, 606807), (191, 425718), (201, 404538), (353, 230346), (382, 212859), (402, 202269), (573, 141906), (603, 134846), (706, 115173), (1059, 76782), (1146, 70953), (1206, 67423), (1719, 47302), (2118, 38391), (3177, 25594), (3438, 23651), (6354, 12797)]