15661620009

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{10163}}^1$

素因数の和:10638

約数の個数: 48

約数和(自身を含む): 26346063744

約数和(自身を除く): 10684443735

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 401, 427, 549, 1203, 1281, 2807, 3609, 3843, 8421, 10163, 24461, 25263, 30489, 71141, 73383, 91467, 171227, 213423, 220149, 513681, 619943, 640269, 1541043, 1859829, 4075363, 4339601, 5579487, 12226089, 13018803, 28527541, 36678267, 39056409, 85582623, 248597143, 256747869, 745791429, 1740180001, 2237374287, 5220540003, 15661620009]

約数ペア:

[(1, 15661620009), (3, 5220540003), (7, 2237374287), (9, 1740180001), (21, 745791429), (61, 256747869), (63, 248597143), (183, 85582623), (401, 39056409), (427, 36678267), (549, 28527541), (1203, 13018803), (1281, 12226089), (2807, 5579487), (3609, 4339601), (3843, 4075363), (8421, 1859829), (10163, 1541043), (24461, 640269), (25263, 619943), (30489, 513681), (71141, 220149), (73383, 213423), (91467, 171227)]