26778843

素因数分解:

$3^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 50542128

約数和(自身を除く): 23763285

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 173, 189, 243, 273, 351, 441, 519, 567, 637, 819, 1053, 1211, 1323, 1557, 1701, 1911, 2249, 2457, 3159, 3633, 3969, 4671, 5733, 6747, 7371, 8477, 10899, 11907, 14013, 15743, 17199, 20241, 22113, 25431, 32697, 42039, 47229, 51597, 60723, 76293, 98091, 110201, 141687, 154791, 182169, 228879, 294273, 330603, 425061, 546507, 686637, 991809, 1275183, 2059911, 2975427, 3825549, 8926281, 26778843]

約数ペア:

[(1, 26778843), (3, 8926281), (7, 3825549), (9, 2975427), (13, 2059911), (21, 1275183), (27, 991809), (39, 686637), (49, 546507), (63, 425061), (81, 330603), (91, 294273), (117, 228879), (147, 182169), (173, 154791), (189, 141687), (243, 110201), (273, 98091), (351, 76293), (441, 60723), (519, 51597), (567, 47229), (637, 42039), (819, 32697), (1053, 25431), (1211, 22113), (1323, 20241), (1557, 17199), (1701, 15743), (1911, 14013), (2249, 11907), (2457, 10899), (3159, 8477), (3633, 7371), (3969, 6747), (4671, 5733)]