1311228

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 3669120

約数和(自身を除く): 2357892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 71, 76, 81, 108, 114, 142, 162, 171, 213, 228, 243, 284, 324, 342, 426, 486, 513, 639, 684, 852, 972, 1026, 1278, 1349, 1539, 1917, 2052, 2556, 2698, 3078, 3834, 4047, 4617, 5396, 5751, 6156, 7668, 8094, 9234, 11502, 12141, 16188, 17253, 18468, 23004, 24282, 34506, 36423, 48564, 69012, 72846, 109269, 145692, 218538, 327807, 437076, 655614, 1311228]

約数ペア:

[(1, 1311228), (2, 655614), (3, 437076), (4, 327807), (6, 218538), (9, 145692), (12, 109269), (18, 72846), (19, 69012), (27, 48564), (36, 36423), (38, 34506), (54, 24282), (57, 23004), (71, 18468), (76, 17253), (81, 16188), (108, 12141), (114, 11502), (142, 9234), (162, 8094), (171, 7668), (213, 6156), (228, 5751), (243, 5396), (284, 4617), (324, 4047), (342, 3834), (426, 3078), (486, 2698), (513, 2556), (639, 2052), (684, 1917), (852, 1539), (972, 1349), (1026, 1278)]