72313917

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 111310848

約数和(自身を除く): 38996931

約数列:

[1, 3, 13, 31, 39, 43, 93, 107, 129, 169, 321, 403, 507, 559, 1209, 1333, 1391, 1677, 3317, 3999, 4173, 4601, 5239, 7267, 9951, 13803, 15717, 17329, 18083, 21801, 43121, 51987, 54249, 59813, 129363, 142631, 179439, 225277, 427893, 560573, 675831, 777569, 1681719, 1854203, 2332707, 5562609, 24104639, 72313917]

約数ペア:

[(1, 72313917), (3, 24104639), (13, 5562609), (31, 2332707), (39, 1854203), (43, 1681719), (93, 777569), (107, 675831), (129, 560573), (169, 427893), (321, 225277), (403, 179439), (507, 142631), (559, 129363), (1209, 59813), (1333, 54249), (1391, 51987), (1677, 43121), (3317, 21801), (3999, 18083), (4173, 17329), (4601, 15717), (5239, 13803), (7267, 9951)]