210516579

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{641}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 375770304

約数和(自身を除く): 165253725

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 401, 641, 819, 1203, 1923, 2807, 3609, 4487, 5213, 5769, 8333, 8421, 13461, 15639, 24999, 25263, 36491, 40383, 46917, 58331, 74997, 109473, 174993, 257041, 328419, 524979, 771123, 1799287, 2313369, 3341533, 5397861, 10024599, 16193583, 23390731, 30073797, 70172193, 210516579]

約数ペア:

[(1, 210516579), (3, 70172193), (7, 30073797), (9, 23390731), (13, 16193583), (21, 10024599), (39, 5397861), (63, 3341533), (91, 2313369), (117, 1799287), (273, 771123), (401, 524979), (641, 328419), (819, 257041), (1203, 174993), (1923, 109473), (2807, 74997), (3609, 58331), (4487, 46917), (5213, 40383), (5769, 36491), (8333, 25263), (8421, 24999), (13461, 15639)]