17768115

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 32587776

約数和(自身を除く): 14819661

約数列:

[1, 3, 5, 9, 15, 31, 45, 47, 93, 141, 155, 235, 271, 279, 423, 465, 705, 813, 1355, 1395, 1457, 2115, 2439, 4065, 4371, 7285, 8401, 12195, 12737, 13113, 21855, 25203, 38211, 42005, 63685, 65565, 75609, 114633, 126015, 191055, 378045, 394847, 573165, 1184541, 1974235, 3553623, 5922705, 17768115]

約数ペア:

[(1, 17768115), (3, 5922705), (5, 3553623), (9, 1974235), (15, 1184541), (31, 573165), (45, 394847), (47, 378045), (93, 191055), (141, 126015), (155, 114633), (235, 75609), (271, 65565), (279, 63685), (423, 42005), (465, 38211), (705, 25203), (813, 21855), (1355, 13113), (1395, 12737), (1457, 12195), (2115, 8401), (2439, 7285), (4065, 4371)]