431101431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 670956000

約数和(自身を除く): 239854569

約数列:

[1, 3, 9, 19, 57, 101, 109, 171, 229, 303, 327, 687, 909, 981, 1919, 2061, 2071, 4351, 5757, 6213, 11009, 13053, 17271, 18639, 23129, 24961, 33027, 39159, 69387, 74883, 99081, 208161, 209171, 224649, 439451, 474259, 627513, 1318353, 1422777, 1882539, 2521061, 3955059, 4268331, 7563183, 22689549, 47900159, 143700477, 431101431]

約数ペア:

[(1, 431101431), (3, 143700477), (9, 47900159), (19, 22689549), (57, 7563183), (101, 4268331), (109, 3955059), (171, 2521061), (229, 1882539), (303, 1422777), (327, 1318353), (687, 627513), (909, 474259), (981, 439451), (1919, 224649), (2061, 209171), (2071, 208161), (4351, 99081), (5757, 74883), (6213, 69387), (11009, 39159), (13053, 33027), (17271, 24961), (18639, 23129)]