15936921

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 32497920

約数和(自身を除く): 16560999

約数列:

[1, 3, 7, 9, 11, 13, 21, 29, 33, 39, 61, 63, 77, 87, 91, 99, 117, 143, 183, 203, 231, 261, 273, 319, 377, 427, 429, 549, 609, 671, 693, 793, 819, 957, 1001, 1131, 1281, 1287, 1769, 1827, 2013, 2233, 2379, 2639, 2871, 3003, 3393, 3843, 4147, 4697, 5307, 5551, 6039, 6699, 7137, 7917, 8723, 9009, 12383, 12441, 14091, 15921, 16653, 19459, 20097, 22997, 23751, 26169, 29029, 37149, 37323, 42273, 49959, 58377, 61061, 68991, 78507, 87087, 111447, 136213, 160979, 175131, 183183, 206973, 252967, 261261, 408639, 482937, 549549, 758901, 1225917, 1448811, 1770769, 2276703, 5312307, 15936921]

約数ペア:

[(1, 15936921), (3, 5312307), (7, 2276703), (9, 1770769), (11, 1448811), (13, 1225917), (21, 758901), (29, 549549), (33, 482937), (39, 408639), (61, 261261), (63, 252967), (77, 206973), (87, 183183), (91, 175131), (99, 160979), (117, 136213), (143, 111447), (183, 87087), (203, 78507), (231, 68991), (261, 61061), (273, 58377), (319, 49959), (377, 42273), (427, 37323), (429, 37149), (549, 29029), (609, 26169), (671, 23751), (693, 22997), (793, 20097), (819, 19459), (957, 16653), (1001, 15921), (1131, 14091), (1281, 12441), (1287, 12383), (1769, 9009), (1827, 8723), (2013, 7917), (2233, 7137), (2379, 6699), (2639, 6039), (2871, 5551), (3003, 5307), (3393, 4697), (3843, 4147)]