13851285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 27371520

約数和(自身を除く): 13520235

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 53, 57, 95, 105, 131, 133, 159, 265, 285, 371, 393, 399, 655, 665, 795, 917, 1007, 1113, 1855, 1965, 1995, 2489, 2751, 3021, 4585, 5035, 5565, 6943, 7049, 7467, 12445, 13755, 15105, 17423, 20829, 21147, 34715, 35245, 37335, 48601, 52269, 87115, 104145, 105735, 131917, 145803, 243005, 261345, 395751, 659585, 729015, 923419, 1978755, 2770257, 4617095, 13851285]

約数ペア:

[(1, 13851285), (3, 4617095), (5, 2770257), (7, 1978755), (15, 923419), (19, 729015), (21, 659585), (35, 395751), (53, 261345), (57, 243005), (95, 145803), (105, 131917), (131, 105735), (133, 104145), (159, 87115), (265, 52269), (285, 48601), (371, 37335), (393, 35245), (399, 34715), (655, 21147), (665, 20829), (795, 17423), (917, 15105), (1007, 13755), (1113, 12445), (1855, 7467), (1965, 7049), (1995, 6943), (2489, 5565), (2751, 5035), (3021, 4585)]