1288892493

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:880

約数の個数: 80

約数和(自身を含む): 2332570240

約数和(自身を除く): 1043677747

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 181, 189, 399, 513, 543, 567, 661, 1197, 1267, 1539, 1629, 1983, 3439, 3591, 3801, 4627, 4887, 5949, 10317, 10773, 11403, 12559, 13881, 14661, 17847, 24073, 30951, 34209, 37677, 41643, 53541, 72219, 87913, 92853, 102627, 113031, 119641, 124929, 216657, 263739, 278559, 339093, 358923, 374787, 649971, 791217, 837487, 1017279, 1076769, 1949913, 2273179, 2373651, 2512461, 3230307, 6819537, 7120953, 7537383, 9690921, 15912253, 20458611, 22612149, 47736759, 61375833, 67836447, 143210277, 184127499, 429630831, 1288892493]

約数ペア:

[(1, 1288892493), (3, 429630831), (7, 184127499), (9, 143210277), (19, 67836447), (21, 61375833), (27, 47736759), (57, 22612149), (63, 20458611), (81, 15912253), (133, 9690921), (171, 7537383), (181, 7120953), (189, 6819537), (399, 3230307), (513, 2512461), (543, 2373651), (567, 2273179), (661, 1949913), (1197, 1076769), (1267, 1017279), (1539, 837487), (1629, 791217), (1983, 649971), (3439, 374787), (3591, 358923), (3801, 339093), (4627, 278559), (4887, 263739), (5949, 216657), (10317, 124929), (10773, 119641), (11403, 113031), (12559, 102627), (13881, 92853), (14661, 87913), (17847, 72219), (24073, 53541), (30951, 41643), (34209, 37677)]