1221444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 3651648

約数和(自身を除く): 2430204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 131, 148, 222, 252, 259, 262, 333, 393, 444, 518, 524, 666, 777, 786, 917, 1036, 1179, 1332, 1554, 1572, 1834, 2331, 2358, 2751, 3108, 3668, 4662, 4716, 4847, 5502, 8253, 9324, 9694, 11004, 14541, 16506, 19388, 29082, 33012, 33929, 43623, 58164, 67858, 87246, 101787, 135716, 174492, 203574, 305361, 407148, 610722, 1221444]

約数ペア:

[(1, 1221444), (2, 610722), (3, 407148), (4, 305361), (6, 203574), (7, 174492), (9, 135716), (12, 101787), (14, 87246), (18, 67858), (21, 58164), (28, 43623), (36, 33929), (37, 33012), (42, 29082), (63, 19388), (74, 16506), (84, 14541), (111, 11004), (126, 9694), (131, 9324), (148, 8253), (222, 5502), (252, 4847), (259, 4716), (262, 4662), (333, 3668), (393, 3108), (444, 2751), (518, 2358), (524, 2331), (666, 1834), (777, 1572), (786, 1554), (917, 1332), (1036, 1179)]