65704221

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 108625920

約数和(自身を除く): 42921699

約数列:

[1, 3, 9, 11, 31, 33, 79, 93, 99, 237, 271, 279, 341, 711, 813, 869, 1023, 2439, 2449, 2607, 2981, 3069, 7347, 7821, 8401, 8943, 21409, 22041, 25203, 26829, 26939, 64227, 75609, 80817, 92411, 192681, 235499, 242451, 277233, 663679, 706497, 831699, 1991037, 2119491, 5973111, 7300469, 21901407, 65704221]

約数ペア:

[(1, 65704221), (3, 21901407), (9, 7300469), (11, 5973111), (31, 2119491), (33, 1991037), (79, 831699), (93, 706497), (99, 663679), (237, 277233), (271, 242451), (279, 235499), (341, 192681), (711, 92411), (813, 80817), (869, 75609), (1023, 64227), (2439, 26939), (2449, 26829), (2607, 25203), (2981, 22041), (3069, 21409), (7347, 8943), (7821, 8401)]