138231075

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 237390560

約数和(自身を除く): 99159485

約数列:

[1, 3, 5, 15, 25, 37, 75, 109, 111, 185, 327, 457, 545, 555, 925, 1371, 1635, 2285, 2725, 2775, 4033, 6855, 8175, 11425, 12099, 16909, 20165, 34275, 49813, 50727, 60495, 84545, 100825, 149439, 249065, 253635, 302475, 422725, 747195, 1245325, 1268175, 1843081, 3735975, 5529243, 9215405, 27646215, 46077025, 138231075]

約数ペア:

[(1, 138231075), (3, 46077025), (5, 27646215), (15, 9215405), (25, 5529243), (37, 3735975), (75, 1843081), (109, 1268175), (111, 1245325), (185, 747195), (327, 422725), (457, 302475), (545, 253635), (555, 249065), (925, 149439), (1371, 100825), (1635, 84545), (2285, 60495), (2725, 50727), (2775, 49813), (4033, 34275), (6855, 20165), (8175, 16909), (11425, 12099)]