648889461

素因数分解:

$3^{13}\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 56

約数和(自身を含む): 1090516704

約数和(自身を除く): 441627243

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 243, 297, 333, 407, 729, 891, 999, 1221, 2187, 2673, 2997, 3663, 6561, 8019, 8991, 10989, 19683, 24057, 26973, 32967, 59049, 72171, 80919, 98901, 177147, 216513, 242757, 296703, 531441, 649539, 728271, 890109, 1594323, 1948617, 2184813, 2670327, 5845851, 6554439, 8010981, 17537553, 19663317, 24032943, 58989951, 72098829, 216296487, 648889461]

約数ペア:

[(1, 648889461), (3, 216296487), (9, 72098829), (11, 58989951), (27, 24032943), (33, 19663317), (37, 17537553), (81, 8010981), (99, 6554439), (111, 5845851), (243, 2670327), (297, 2184813), (333, 1948617), (407, 1594323), (729, 890109), (891, 728271), (999, 649539), (1221, 531441), (2187, 296703), (2673, 242757), (2997, 216513), (3663, 177147), (6561, 98901), (8019, 80919), (8991, 72171), (10989, 59049), (19683, 32967), (24057, 26973)]