90988149

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 146448960

約数和(自身を除く): 55460811

約数列:

[1, 3, 7, 21, 49, 61, 73, 139, 147, 183, 219, 417, 427, 511, 973, 1281, 1533, 2919, 2989, 3577, 4453, 6811, 8479, 8967, 10147, 10731, 13359, 20433, 25437, 30441, 31171, 59353, 71029, 93513, 178059, 213087, 218197, 415471, 497203, 618967, 654591, 1246413, 1491609, 1856901, 4332769, 12998307, 30329383, 90988149]

約数ペア:

[(1, 90988149), (3, 30329383), (7, 12998307), (21, 4332769), (49, 1856901), (61, 1491609), (73, 1246413), (139, 654591), (147, 618967), (183, 497203), (219, 415471), (417, 218197), (427, 213087), (511, 178059), (973, 93513), (1281, 71029), (1533, 59353), (2919, 31171), (2989, 30441), (3577, 25437), (4453, 20433), (6811, 13359), (8479, 10731), (8967, 10147)]