421986789

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{2111}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 738017280

約数和(自身を除く): 316030491

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 167, 171, 399, 501, 1169, 1197, 1503, 2111, 3173, 3507, 6333, 9519, 10521, 14777, 18999, 22211, 28557, 40109, 44331, 66633, 120327, 132993, 199899, 280763, 352537, 360981, 842289, 1057611, 2467759, 2526867, 3172833, 6698203, 7403277, 20094609, 22209831, 46887421, 60283827, 140662263, 421986789]

約数ペア:

[(1, 421986789), (3, 140662263), (7, 60283827), (9, 46887421), (19, 22209831), (21, 20094609), (57, 7403277), (63, 6698203), (133, 3172833), (167, 2526867), (171, 2467759), (399, 1057611), (501, 842289), (1169, 360981), (1197, 352537), (1503, 280763), (2111, 199899), (3173, 132993), (3507, 120327), (6333, 66633), (9519, 44331), (10521, 40109), (14777, 28557), (18999, 22211)]