2515149

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 4647552

約数和(自身を除く): 2132403

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 83, 91, 111, 117, 249, 259, 273, 333, 481, 581, 747, 777, 819, 1079, 1443, 1743, 2331, 3071, 3237, 3367, 4329, 5229, 7553, 9213, 9711, 10101, 21497, 22659, 27639, 30303, 39923, 64491, 67977, 119769, 193473, 279461, 359307, 838383, 2515149]

約数ペア:

[(1, 2515149), (3, 838383), (7, 359307), (9, 279461), (13, 193473), (21, 119769), (37, 67977), (39, 64491), (63, 39923), (83, 30303), (91, 27639), (111, 22659), (117, 21497), (249, 10101), (259, 9711), (273, 9213), (333, 7553), (481, 5229), (581, 4329), (747, 3367), (777, 3237), (819, 3071), (1079, 2331), (1443, 1743)]