393210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 1086696

約数和(自身を除く): 693486

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 257, 306, 510, 514, 765, 771, 1285, 1530, 1542, 2313, 2570, 3855, 4369, 4626, 7710, 8738, 11565, 13107, 21845, 23130, 26214, 39321, 43690, 65535, 78642, 131070, 196605, 393210]

約数ペア:

[(1, 393210), (2, 196605), (3, 131070), (5, 78642), (6, 65535), (9, 43690), (10, 39321), (15, 26214), (17, 23130), (18, 21845), (30, 13107), (34, 11565), (45, 8738), (51, 7710), (85, 4626), (90, 4369), (102, 3855), (153, 2570), (170, 2313), (255, 1542), (257, 1530), (306, 1285), (510, 771), (514, 765)]