127988553

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 223985664

約数和(自身を除く): 95997111

約数列:

[1, 3, 7, 11, 21, 31, 33, 61, 77, 93, 183, 217, 231, 293, 341, 427, 651, 671, 879, 1023, 1281, 1891, 2013, 2051, 2387, 3223, 4697, 5673, 6153, 7161, 9083, 9669, 13237, 14091, 17873, 20801, 22561, 27249, 39711, 53619, 62403, 63581, 67683, 99913, 125111, 145607, 190743, 196603, 299739, 375333, 436821, 554063, 589809, 699391, 1376221, 1662189, 2098173, 3878441, 4128663, 6094693, 11635323, 18284079, 42662851, 127988553]

約数ペア:

[(1, 127988553), (3, 42662851), (7, 18284079), (11, 11635323), (21, 6094693), (31, 4128663), (33, 3878441), (61, 2098173), (77, 1662189), (93, 1376221), (183, 699391), (217, 589809), (231, 554063), (293, 436821), (341, 375333), (427, 299739), (651, 196603), (671, 190743), (879, 145607), (1023, 125111), (1281, 99913), (1891, 67683), (2013, 63581), (2051, 62403), (2387, 53619), (3223, 39711), (4697, 27249), (5673, 22561), (6153, 20801), (7161, 17873), (9083, 14091), (9669, 13237)]