191801682009

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{21157}}^1$

素因数の和:21575

約数の個数: 72

約数和(自身を含む): 328549802568

約数和(自身を除く): 136748120559

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 337, 427, 441, 549, 1011, 1281, 2359, 2989, 3033, 3843, 7077, 8967, 16513, 20557, 21157, 21231, 26901, 49539, 61671, 63471, 143899, 148099, 148617, 185013, 190413, 431697, 444297, 1007293, 1036693, 1290577, 1295091, 1332891, 3021879, 3110079, 3871731, 7129909, 9034039, 9065637, 9330237, 11615193, 21389727, 27102117, 49909363, 63238273, 64169181, 81306351, 149728089, 189714819, 349365541, 434924449, 449184267, 569144457, 1048096623, 1304773347, 3044471143, 3144289869, 3914320041, 9133413429, 21311298001, 27400240287, 63933894003, 191801682009]

約数ペア:

[(1, 191801682009), (3, 63933894003), (7, 27400240287), (9, 21311298001), (21, 9133413429), (49, 3914320041), (61, 3144289869), (63, 3044471143), (147, 1304773347), (183, 1048096623), (337, 569144457), (427, 449184267), (441, 434924449), (549, 349365541), (1011, 189714819), (1281, 149728089), (2359, 81306351), (2989, 64169181), (3033, 63238273), (3843, 49909363), (7077, 27102117), (8967, 21389727), (16513, 11615193), (20557, 9330237), (21157, 9065637), (21231, 9034039), (26901, 7129909), (49539, 3871731), (61671, 3110079), (63471, 3021879), (143899, 1332891), (148099, 1295091), (148617, 1290577), (185013, 1036693), (190413, 1007293), (431697, 444297)]