253347549

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 446423040

約数和(自身を除く): 193075491

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 79, 91, 119, 221, 237, 273, 357, 553, 663, 691, 1027, 1343, 1547, 1659, 2073, 3081, 4029, 4641, 4837, 7189, 8983, 9401, 11747, 14511, 17459, 21567, 26949, 28203, 35241, 52377, 54589, 62881, 82229, 122213, 152711, 163767, 188643, 246687, 366639, 382123, 458133, 709657, 928013, 1068977, 1146369, 2128971, 2784039, 3206931, 4967599, 6496091, 12064169, 14902797, 19488273, 36192507, 84449183, 253347549]

約数ペア:

[(1, 253347549), (3, 84449183), (7, 36192507), (13, 19488273), (17, 14902797), (21, 12064169), (39, 6496091), (51, 4967599), (79, 3206931), (91, 2784039), (119, 2128971), (221, 1146369), (237, 1068977), (273, 928013), (357, 709657), (553, 458133), (663, 382123), (691, 366639), (1027, 246687), (1343, 188643), (1547, 163767), (1659, 152711), (2073, 122213), (3081, 82229), (4029, 62881), (4641, 54589), (4837, 52377), (7189, 35241), (8983, 28203), (9401, 26949), (11747, 21567), (14511, 17459)]