1338156975

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^2\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 2327382288

約数和(自身を除く): 989225313

約数列:

[1, 3, 5, 15, 25, 41, 47, 75, 123, 141, 197, 205, 235, 591, 615, 705, 985, 1025, 1175, 1927, 2209, 2955, 3075, 3525, 4925, 5781, 6627, 8077, 9259, 9635, 11045, 14775, 24231, 27777, 28905, 33135, 40385, 46295, 48175, 55225, 90569, 121155, 138885, 144525, 165675, 201925, 231475, 271707, 379619, 435173, 452845, 605775, 694425, 1138857, 1305519, 1358535, 1898095, 2175865, 2264225, 5694285, 6527595, 6792675, 9490475, 10879325, 17842093, 28471425, 32637975, 53526279, 89210465, 267631395, 446052325, 1338156975]

約数ペア:

[(1, 1338156975), (3, 446052325), (5, 267631395), (15, 89210465), (25, 53526279), (41, 32637975), (47, 28471425), (75, 17842093), (123, 10879325), (141, 9490475), (197, 6792675), (205, 6527595), (235, 5694285), (591, 2264225), (615, 2175865), (705, 1898095), (985, 1358535), (1025, 1305519), (1175, 1138857), (1927, 694425), (2209, 605775), (2955, 452845), (3075, 435173), (3525, 379619), (4925, 271707), (5781, 231475), (6627, 201925), (8077, 165675), (9259, 144525), (9635, 138885), (11045, 121155), (14775, 90569), (24231, 55225), (27777, 48175), (28905, 46295), (33135, 40385)]