128789199

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 239016960

約数和(自身を除く): 110227761

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 139, 147, 191, 231, 417, 441, 539, 573, 693, 973, 1251, 1337, 1529, 1617, 1719, 2101, 2919, 4011, 4587, 4851, 6303, 6811, 8757, 9359, 10703, 12033, 13761, 14707, 18909, 20433, 26549, 28077, 32109, 44121, 61299, 74921, 79647, 84231, 96327, 102949, 132363, 185843, 224763, 238941, 292039, 308847, 557529, 674289, 876117, 926541, 1300901, 1672587, 2044273, 2628351, 3902703, 6132819, 11708109, 14309911, 18398457, 42929733, 128789199]

約数ペア:

[(1, 128789199), (3, 42929733), (7, 18398457), (9, 14309911), (11, 11708109), (21, 6132819), (33, 3902703), (49, 2628351), (63, 2044273), (77, 1672587), (99, 1300901), (139, 926541), (147, 876117), (191, 674289), (231, 557529), (417, 308847), (441, 292039), (539, 238941), (573, 224763), (693, 185843), (973, 132363), (1251, 102949), (1337, 96327), (1529, 84231), (1617, 79647), (1719, 74921), (2101, 61299), (2919, 44121), (4011, 32109), (4587, 28077), (4851, 26549), (6303, 20433), (6811, 18909), (8757, 14707), (9359, 13761), (10703, 12033)]