293870655

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21841}}^1$

素因数の和:21888

約数の個数: 48

約数和(自身を含む): 572435136

約数和(自身を除く): 278564481

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2691, 4485, 13455, 21841, 65523, 109205, 196569, 283933, 327615, 502343, 851799, 982845, 1419665, 1507029, 2511715, 2555397, 4258995, 4521087, 6530459, 7535145, 12776985, 19591377, 22605435, 32652295, 58774131, 97956885, 293870655]

約数ペア:

[(1, 293870655), (3, 97956885), (5, 58774131), (9, 32652295), (13, 22605435), (15, 19591377), (23, 12776985), (39, 7535145), (45, 6530459), (65, 4521087), (69, 4258995), (115, 2555397), (117, 2511715), (195, 1507029), (207, 1419665), (299, 982845), (345, 851799), (585, 502343), (897, 327615), (1035, 283933), (1495, 196569), (2691, 109205), (4485, 65523), (13455, 21841)]