201397105

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1709}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 311124240

約数和(自身を除く): 109727135

約数列:

[1, 5, 7, 13, 35, 37, 49, 65, 91, 185, 245, 259, 455, 481, 637, 1295, 1709, 1813, 2405, 3185, 3367, 8545, 9065, 11963, 16835, 22217, 23569, 59815, 63233, 83741, 111085, 117845, 155519, 316165, 418705, 442631, 777595, 822029, 1088633, 2213155, 3098417, 4110145, 5443165, 5754203, 15492085, 28771015, 40279421, 201397105]

約数ペア:

[(1, 201397105), (5, 40279421), (7, 28771015), (13, 15492085), (35, 5754203), (37, 5443165), (49, 4110145), (65, 3098417), (91, 2213155), (185, 1088633), (245, 822029), (259, 777595), (455, 442631), (481, 418705), (637, 316165), (1295, 155519), (1709, 117845), (1813, 111085), (2405, 83741), (3185, 63233), (3367, 59815), (8545, 23569), (9065, 22217), (11963, 16835)]