406290015

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{257}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 761894640

約数和(自身を除く): 355604625

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 257, 285, 387, 645, 771, 817, 855, 1285, 1849, 1935, 2313, 2451, 3855, 4085, 4883, 5547, 7353, 9245, 11051, 11565, 12255, 14649, 16641, 24415, 27735, 33153, 35131, 36765, 43947, 55255, 73245, 83205, 99459, 105393, 165765, 175655, 209969, 219735, 316179, 475193, 497295, 526965, 629907, 1049845, 1425579, 1580895, 1889721, 2375965, 3149535, 4276737, 7127895, 9028667, 9448605, 21383685, 27086001, 45143335, 81258003, 135430005, 406290015]

約数ペア:

[(1, 406290015), (3, 135430005), (5, 81258003), (9, 45143335), (15, 27086001), (19, 21383685), (43, 9448605), (45, 9028667), (57, 7127895), (95, 4276737), (129, 3149535), (171, 2375965), (215, 1889721), (257, 1580895), (285, 1425579), (387, 1049845), (645, 629907), (771, 526965), (817, 497295), (855, 475193), (1285, 316179), (1849, 219735), (1935, 209969), (2313, 175655), (2451, 165765), (3855, 105393), (4085, 99459), (4883, 83205), (5547, 73245), (7353, 55255), (9245, 43947), (11051, 36765), (11565, 35131), (12255, 33153), (14649, 27735), (16641, 24415)]