13318335

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 25016160

約数和(自身を除く): 11697825

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 95, 111, 171, 185, 285, 333, 421, 555, 703, 855, 1263, 1665, 2105, 2109, 3515, 3789, 6315, 6327, 7999, 10545, 15577, 18945, 23997, 31635, 39995, 46731, 71991, 77885, 119985, 140193, 233655, 295963, 359955, 700965, 887889, 1479815, 2663667, 4439445, 13318335]

約数ペア:

[(1, 13318335), (3, 4439445), (5, 2663667), (9, 1479815), (15, 887889), (19, 700965), (37, 359955), (45, 295963), (57, 233655), (95, 140193), (111, 119985), (171, 77885), (185, 71991), (285, 46731), (333, 39995), (421, 31635), (555, 23997), (703, 18945), (855, 15577), (1263, 10545), (1665, 7999), (2105, 6327), (2109, 6315), (3515, 3789)]