7915761

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 14601600

約数和(自身を除く): 6685839

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 389, 399, 969, 1071, 1167, 1197, 2261, 2723, 2907, 3501, 6613, 6783, 7391, 8169, 19839, 20349, 22173, 24507, 46291, 51737, 59517, 66519, 125647, 138873, 155211, 376941, 416619, 465633, 879529, 1130823, 2638587, 7915761]

約数ペア:

[(1, 7915761), (3, 2638587), (7, 1130823), (9, 879529), (17, 465633), (19, 416619), (21, 376941), (51, 155211), (57, 138873), (63, 125647), (119, 66519), (133, 59517), (153, 51737), (171, 46291), (323, 24507), (357, 22173), (389, 20349), (399, 19839), (969, 8169), (1071, 7391), (1167, 6783), (1197, 6613), (2261, 3501), (2723, 2907)]