72401571

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 122254080

約数和(自身を除く): 49852509

約数列:

[1, 3, 9, 11, 19, 33, 57, 61, 99, 171, 183, 209, 549, 627, 631, 671, 1159, 1881, 1893, 2013, 3477, 5679, 6039, 6941, 10431, 11989, 12749, 20823, 35967, 38247, 38491, 62469, 107901, 114741, 115473, 131879, 346419, 395637, 423401, 731329, 1186911, 1270203, 2193987, 3810609, 6581961, 8044619, 24133857, 72401571]

約数ペア:

[(1, 72401571), (3, 24133857), (9, 8044619), (11, 6581961), (19, 3810609), (33, 2193987), (57, 1270203), (61, 1186911), (99, 731329), (171, 423401), (183, 395637), (209, 346419), (549, 131879), (627, 115473), (631, 114741), (671, 107901), (1159, 62469), (1881, 38491), (1893, 38247), (2013, 35967), (3477, 20823), (5679, 12749), (6039, 11989), (6941, 10431)]