15703779

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 27998208

約数和(自身を除く): 12294429

約数列:

[1, 3, 7, 13, 21, 23, 39, 41, 61, 69, 91, 123, 161, 183, 273, 287, 299, 427, 483, 533, 793, 861, 897, 943, 1281, 1403, 1599, 2093, 2379, 2501, 2829, 3731, 4209, 5551, 6279, 6601, 7503, 9821, 11193, 12259, 16653, 17507, 18239, 19803, 29463, 32513, 36777, 52521, 54717, 57523, 85813, 97539, 127673, 172569, 227591, 257439, 383019, 402661, 682773, 747799, 1207983, 2243397, 5234593, 15703779]

約数ペア:

[(1, 15703779), (3, 5234593), (7, 2243397), (13, 1207983), (21, 747799), (23, 682773), (39, 402661), (41, 383019), (61, 257439), (69, 227591), (91, 172569), (123, 127673), (161, 97539), (183, 85813), (273, 57523), (287, 54717), (299, 52521), (427, 36777), (483, 32513), (533, 29463), (793, 19803), (861, 18239), (897, 17507), (943, 16653), (1281, 12259), (1403, 11193), (1599, 9821), (2093, 7503), (2379, 6601), (2501, 6279), (2829, 5551), (3731, 4209)]