74578401

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 121867200

約数和(自身を除く): 47288799

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 243, 261, 513, 551, 557, 783, 1539, 1653, 1671, 2349, 4617, 4959, 5013, 7047, 10583, 14877, 15039, 16153, 31749, 44631, 45117, 48459, 95247, 133893, 135351, 145377, 285741, 306907, 436131, 857223, 920721, 1308393, 2571669, 2762163, 3925179, 8286489, 24859467, 74578401]

約数ペア:

[(1, 74578401), (3, 24859467), (9, 8286489), (19, 3925179), (27, 2762163), (29, 2571669), (57, 1308393), (81, 920721), (87, 857223), (171, 436131), (243, 306907), (261, 285741), (513, 145377), (551, 135351), (557, 133893), (783, 95247), (1539, 48459), (1653, 45117), (1671, 44631), (2349, 31749), (4617, 16153), (4959, 15039), (5013, 14877), (7047, 10583)]