67686759

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 124833280

約数和(自身を除く): 57146521

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 61, 63, 81, 103, 133, 171, 183, 189, 309, 399, 427, 513, 549, 567, 721, 927, 1159, 1197, 1281, 1539, 1647, 1957, 2163, 2781, 3477, 3591, 3843, 4941, 5871, 6283, 6489, 8113, 8343, 10431, 10773, 11529, 13699, 17613, 18849, 19467, 24339, 31293, 34587, 41097, 43981, 52839, 56547, 58401, 73017, 93879, 119377, 123291, 131943, 158517, 169641, 219051, 358131, 369873, 395829, 508923, 657153, 835639, 1074393, 1109619, 1187487, 2506917, 3223179, 3562461, 7520751, 9669537, 22562253, 67686759]

約数ペア:

[(1, 67686759), (3, 22562253), (7, 9669537), (9, 7520751), (19, 3562461), (21, 3223179), (27, 2506917), (57, 1187487), (61, 1109619), (63, 1074393), (81, 835639), (103, 657153), (133, 508923), (171, 395829), (183, 369873), (189, 358131), (309, 219051), (399, 169641), (427, 158517), (513, 131943), (549, 123291), (567, 119377), (721, 93879), (927, 73017), (1159, 58401), (1197, 56547), (1281, 52839), (1539, 43981), (1647, 41097), (1957, 34587), (2163, 31293), (2781, 24339), (3477, 19467), (3591, 18849), (3843, 17613), (4941, 13699), (5871, 11529), (6283, 10773), (6489, 10431), (8113, 8343)]