210559905

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{541}}^1$

素因数の和:620

約数の個数: 60

約数和(自身を含む): 390737556

約数和(自身を除く): 180177651

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 541, 837, 961, 1395, 1623, 2511, 2705, 2883, 4185, 4805, 4869, 8115, 8649, 12555, 14415, 14607, 16771, 24345, 25947, 43245, 43821, 50313, 73035, 77841, 83855, 129735, 150939, 219105, 251565, 389205, 452817, 519901, 754695, 1358451, 1559703, 2264085, 2599505, 4679109, 6792255, 7798515, 14037327, 23395545, 42111981, 70186635, 210559905]

約数ペア:

[(1, 210559905), (3, 70186635), (5, 42111981), (9, 23395545), (15, 14037327), (27, 7798515), (31, 6792255), (45, 4679109), (81, 2599505), (93, 2264085), (135, 1559703), (155, 1358451), (279, 754695), (405, 519901), (465, 452817), (541, 389205), (837, 251565), (961, 219105), (1395, 150939), (1623, 129735), (2511, 83855), (2705, 77841), (2883, 73035), (4185, 50313), (4805, 43821), (4869, 43245), (8115, 25947), (8649, 24345), (12555, 16771), (14415, 14607)]