291270285

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{769}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 533332800

約数和(自身を除く): 242062515

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 443, 769, 855, 1329, 2215, 2307, 3845, 3987, 6645, 6921, 8417, 11535, 14611, 19935, 25251, 34605, 42085, 43833, 73055, 75753, 126255, 131499, 219165, 340667, 378765, 657495, 1022001, 1703335, 3066003, 5110005, 6472673, 15330015, 19418019, 32363365, 58254057, 97090095, 291270285]

約数ペア:

[(1, 291270285), (3, 97090095), (5, 58254057), (9, 32363365), (15, 19418019), (19, 15330015), (45, 6472673), (57, 5110005), (95, 3066003), (171, 1703335), (285, 1022001), (443, 657495), (769, 378765), (855, 340667), (1329, 219165), (2215, 131499), (2307, 126255), (3845, 75753), (3987, 73055), (6645, 43833), (6921, 42085), (8417, 34605), (11535, 25251), (14611, 19935)]