399038265

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 727153920

約数和(自身を除く): 328115655

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 157, 201, 281, 335, 471, 603, 785, 843, 1005, 1405, 1413, 1809, 2355, 2529, 3015, 4215, 4239, 7065, 7587, 9045, 10519, 12645, 18827, 21195, 31557, 37935, 44117, 52595, 56481, 94135, 94671, 132351, 157785, 169443, 220585, 282405, 284013, 397053, 473355, 508329, 661755, 847215, 1191159, 1420065, 1985265, 2541645, 2955839, 5955795, 8867517, 14779195, 26602551, 44337585, 79807653, 133012755, 399038265]

約数ペア:

[(1, 399038265), (3, 133012755), (5, 79807653), (9, 44337585), (15, 26602551), (27, 14779195), (45, 8867517), (67, 5955795), (135, 2955839), (157, 2541645), (201, 1985265), (281, 1420065), (335, 1191159), (471, 847215), (603, 661755), (785, 508329), (843, 473355), (1005, 397053), (1405, 284013), (1413, 282405), (1809, 220585), (2355, 169443), (2529, 157785), (3015, 132351), (4215, 94671), (4239, 94135), (7065, 56481), (7587, 52595), (9045, 44117), (10519, 37935), (12645, 31557), (18827, 21195)]