31921953

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 22821087

約数列:

[1, 3, 7, 21, 23, 29, 43, 53, 69, 87, 129, 159, 161, 203, 301, 371, 483, 609, 667, 903, 989, 1113, 1219, 1247, 1537, 2001, 2279, 2967, 3657, 3741, 4611, 4669, 6837, 6923, 8533, 8729, 10759, 14007, 15953, 20769, 25599, 26187, 28681, 32277, 35351, 47859, 52417, 66091, 86043, 106053, 157251, 198273, 200767, 247457, 366919, 462637, 602301, 742371, 1100757, 1387911, 1520093, 4560279, 10640651, 31921953]

約数ペア:

[(1, 31921953), (3, 10640651), (7, 4560279), (21, 1520093), (23, 1387911), (29, 1100757), (43, 742371), (53, 602301), (69, 462637), (87, 366919), (129, 247457), (159, 200767), (161, 198273), (203, 157251), (301, 106053), (371, 86043), (483, 66091), (609, 52417), (667, 47859), (903, 35351), (989, 32277), (1113, 28681), (1219, 26187), (1247, 25599), (1537, 20769), (2001, 15953), (2279, 14007), (2967, 10759), (3657, 8729), (3741, 8533), (4611, 6923), (4669, 6837)]