31887933

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 56377344

約数和(自身を除く): 24489411

約数列:

[1, 3, 7, 11, 21, 31, 33, 61, 73, 77, 93, 183, 217, 219, 231, 341, 427, 511, 651, 671, 803, 1023, 1281, 1533, 1891, 2013, 2263, 2387, 2409, 4453, 4697, 5621, 5673, 6789, 7161, 13237, 13359, 14091, 15841, 16863, 20801, 24893, 31171, 39711, 47523, 48983, 62403, 74679, 93513, 138043, 145607, 146949, 174251, 342881, 414129, 436821, 522753, 966301, 1028643, 1518473, 2898903, 4555419, 10629311, 31887933]

約数ペア:

[(1, 31887933), (3, 10629311), (7, 4555419), (11, 2898903), (21, 1518473), (31, 1028643), (33, 966301), (61, 522753), (73, 436821), (77, 414129), (93, 342881), (183, 174251), (217, 146949), (219, 145607), (231, 138043), (341, 93513), (427, 74679), (511, 62403), (651, 48983), (671, 47523), (803, 39711), (1023, 31171), (1281, 24893), (1533, 20801), (1891, 16863), (2013, 15841), (2263, 14091), (2387, 13359), (2409, 13237), (4453, 7161), (4697, 6789), (5621, 5673)]