6985215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 13411008

約数和(自身を除く): 6425793

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 397, 765, 1035, 1173, 1191, 1955, 1985, 3519, 3573, 5865, 5955, 6749, 9131, 17595, 17865, 20247, 27393, 33745, 45655, 60741, 82179, 101235, 136965, 155227, 303705, 410895, 465681, 776135, 1397043, 2328405, 6985215]

約数ペア:

[(1, 6985215), (3, 2328405), (5, 1397043), (9, 776135), (15, 465681), (17, 410895), (23, 303705), (45, 155227), (51, 136965), (69, 101235), (85, 82179), (115, 60741), (153, 45655), (207, 33745), (255, 27393), (345, 20247), (391, 17865), (397, 17595), (765, 9131), (1035, 6749), (1173, 5955), (1191, 5865), (1955, 3573), (1985, 3519)]