817631997

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{557}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 1419909120

約数和(自身を除く): 602277123

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 283, 399, 557, 741, 849, 1671, 1729, 1981, 3679, 3899, 5187, 5377, 5943, 7241, 10583, 11037, 11697, 16131, 21723, 25753, 31749, 37639, 50687, 69901, 74081, 77259, 112917, 137579, 152061, 157631, 209703, 222243, 412737, 472893, 489307, 963053, 1103417, 1467921, 2049203, 2889159, 2994989, 3310251, 6147609, 8984967, 14344421, 20964923, 38934857, 43033263, 62894769, 116804571, 272543999, 817631997]

約数ペア:

[(1, 817631997), (3, 272543999), (7, 116804571), (13, 62894769), (19, 43033263), (21, 38934857), (39, 20964923), (57, 14344421), (91, 8984967), (133, 6147609), (247, 3310251), (273, 2994989), (283, 2889159), (399, 2049203), (557, 1467921), (741, 1103417), (849, 963053), (1671, 489307), (1729, 472893), (1981, 412737), (3679, 222243), (3899, 209703), (5187, 157631), (5377, 152061), (5943, 137579), (7241, 112917), (10583, 77259), (11037, 74081), (11697, 69901), (16131, 50687), (21723, 37639), (25753, 31749)]